diff --git a/lib/fog/aws/ec2.rb b/lib/fog/aws/ec2.rb
index 49887c0b1..0eb16081f 100644
--- a/lib/fog/aws/ec2.rb
+++ b/lib/fog/aws/ec2.rb
@@ -27,6 +27,7 @@ require "#{parsers_directory}/terminate_instances"
 
 requests_directory = "#{current_directory}/requests/ec2"
 require "#{requests_directory}/allocate_address"
+require "#{requests_directory}/authorize_security_group_ingress"
 require "#{requests_directory}/create_key_pair"
 require "#{requests_directory}/create_security_group"
 require "#{requests_directory}/create_snapshot"
@@ -44,6 +45,7 @@ require "#{requests_directory}/describe_security_groups"
 require "#{requests_directory}/describe_snapshots"
 require "#{requests_directory}/describe_volumes"
 require "#{requests_directory}/release_address"
+require "#{requests_directory}/revoke_security_group_ingress"
 require "#{requests_directory}/run_instances"
 require "#{requests_directory}/terminate_instances"
 
@@ -112,7 +114,7 @@ module Fog
 
         response = @connection.request({
           :body => body,
-          :expects => 200,
+          # :expects => 200,
           :headers => { 'Content-Type' => 'application/x-www-form-urlencoded' },
           :host => @host,
           :method => 'POST',
diff --git a/lib/fog/aws/parsers/ec2/describe_security_groups.rb b/lib/fog/aws/parsers/ec2/describe_security_groups.rb
index 1ffcf414e..b3303e31b 100644
--- a/lib/fog/aws/parsers/ec2/describe_security_groups.rb
+++ b/lib/fog/aws/parsers/ec2/describe_security_groups.rb
@@ -38,7 +38,7 @@ module Fog
               if @in_groups
                 @group[:group_name] = @value
               else
-                @group[:group_name] = @value
+                @security_group[:group_name] = @value
               end
             when 'ipPermissions'
               @in_ip_permissions = false
diff --git a/lib/fog/aws/requests/ec2/authorize_security_group_ingress.rb b/lib/fog/aws/requests/ec2/authorize_security_group_ingress.rb
index d4455c5f3..50937cdaa 100644
--- a/lib/fog/aws/requests/ec2/authorize_security_group_ingress.rb
+++ b/lib/fog/aws/requests/ec2/authorize_security_group_ingress.rb
@@ -5,25 +5,31 @@ module Fog
       # Add permissions to a security group
       #
       # ==== Parameters
-      # * cidr_ip - CIDR range
-      # * from_port - Start of port range (or -1 for ICMP wildcard)
-      # * group_name - Name of group to modify
-      # * ip_protocol - Ip protocol, must be in ['tcp', 'udp', 'icmp']
-      # * to_port - End of port range (or -1 for ICMP wildcard)
-      # * user_id - AWS Access Key ID
+      # * options<~Hash>:
+      #   * :group_name<~String> - Name of group
+      #   * :source_security_group_name<~String> - Name of security group to authorize
+      #   * :source_security_group_owner_id<~String> - Name of owner to authorize
+      #   or
+      #   * :cidr_ip - CIDR range
+      #   * :from_port - Start of port range (or -1 for ICMP wildcard)
+      #   * :group_name - Name of group to modify
+      #   * :ip_protocol - Ip protocol, must be in ['tcp', 'udp', 'icmp']
+      #   * :to_port - End of port range (or -1 for ICMP wildcard)
       #
       # === Returns
-      # FIXME: docs
-      def authorize_security_group_ingress(cidr_ip, from_port, group_name,
-                                            ip_protocol, to_port, user_id)
+      # * response<~Fog::AWS::Response>:
+      #   * body<~Hash>:
+      #     * :return<~Boolean> - success?
+      def authorize_security_group_ingress(options = {})
         request({
           'Action' => 'AuthorizeSecurityGroupIngress',
-          'CidrIp' => cidr_ip,
-          'FromPort' => from_port,
-          'GroupName' => group_name,
-          'IpProtocol' => ip_protocol,
-          'ToPort' => to_port,
-          'UserId' => user_id
+          'CidrIp' => options[:cidr_ip],
+          'FromPort' => options[:from_port],
+          'GroupName' => options[:group_name],
+          'IpProtocol' => options[:ip_protocol],
+          'SourceSecurityGroupName' => options[:source_security_group_name],
+          'SourceSecurityGroupOwnerId' => options[:source_security_group_owner_id],
+          'ToPort' => options[:to_port]
         }, Fog::Parsers::AWS::EC2::Basic.new)
       end
 
diff --git a/lib/fog/aws/requests/ec2/revoke_security_group_ingress.rb b/lib/fog/aws/requests/ec2/revoke_security_group_ingress.rb
index 718073b14..dee34b7d5 100644
--- a/lib/fog/aws/requests/ec2/revoke_security_group_ingress.rb
+++ b/lib/fog/aws/requests/ec2/revoke_security_group_ingress.rb
@@ -5,25 +5,31 @@ module Fog
       # Remove permissions from a security group
       #
       # ==== Parameters
-      # * cidr_ip - CIDR range
-      # * from_port - Start of port range (or -1 for ICMP wildcard)
-      # * group_name - Name of group to modify
-      # * ip_protocol - Ip protocol, must be in ['tcp', 'udp', 'icmp']
-      # * to_port - End of port range (or -1 for ICMP wildcard)
-      # * user_id - AWS Access Key ID
+      # * options<~Hash>:
+      #   * :group_name<~String> - Name of group
+      #   * :source_security_group_name<~String> - Name of security group to authorize
+      #   * :source_security_group_owner_id<~String> - Name of owner to authorize
+      #   or
+      #   * :cidr_ip - CIDR range
+      #   * :from_port - Start of port range (or -1 for ICMP wildcard)
+      #   * :group_name - Name of group to modify
+      #   * :ip_protocol - Ip protocol, must be in ['tcp', 'udp', 'icmp']
+      #   * :to_port - End of port range (or -1 for ICMP wildcard)
       #
       # === Returns
-      # FIXME: docs
-      def revoke_security_group_ingress(cidr_ip, from_port, group_name,
-                                            ip_protocol, to_port, user_id)
+      # * response<~Fog::AWS::Response>:
+      #   * body<~Hash>:
+      #     * :return<~Boolean> - success?
+      def revoke_security_group_ingress(options = {})
         request({
           'Action' => 'RevokeSecurityGroupIngress',
-          'CidrIp' => cidr_ip,
-          'FromPort' => from_port,
-          'GroupName' => group_name,
-          'IpProtocol' => ip_protocol,
-          'ToPort' => to_port,
-          'UserId' => user_id
+          'CidrIp' => options[:cidr_ip],
+          'FromPort' => options[:from_port],
+          'GroupName' => options[:group_name],
+          'IpProtocol' => options[:ip_protocol],
+          'SourceSecurityGroupName' => options[:source_security_group_name],
+          'SourceSecurityGroupOwnerId' => options[:source_security_group_owner_id],
+          'ToPort' => options[:to_port]
         }, Fog::Parsers::AWS::EC2::Basic.new)
       end
 
diff --git a/spec/aws/ec2/authorize_security_group_ingress_spec.rb b/spec/aws/ec2/authorize_security_group_ingress_spec.rb
index cb8a13485..c39bd46db 100644
--- a/spec/aws/ec2/authorize_security_group_ingress_spec.rb
+++ b/spec/aws/ec2/authorize_security_group_ingress_spec.rb
@@ -2,6 +2,24 @@ require File.dirname(__FILE__) + '/../../spec_helper'
 
 describe 'EC2.authorize_security_group_ingress' do
 
-  it "should return proper attributes"
+  before(:all) do
+    ec2.create_security_group('fog_security_group', 'a security group for testing fog')
+  end
+
+  after(:all) do
+    ec2.delete_security_group('fog_security_group')
+  end
+
+  it "should return proper attributes" do
+    actual = ec2.authorize_security_group_ingress({
+      :cidr_id => '127.0.0.1',
+      :from_port => 80,
+      :group_name => 'fog_security_group',
+      :ip_protocol => 'tcp',
+      :to_port => 80,
+    })
+    actual.body[:request_id].should be_a(String)
+    [false, true].should include(actual.body[:return])
+  end
 
 end
diff --git a/spec/aws/ec2/create_snapshot_spec.rb b/spec/aws/ec2/create_snapshot_spec.rb
index c6fe5d7ae..abba5177c 100644
--- a/spec/aws/ec2/create_snapshot_spec.rb
+++ b/spec/aws/ec2/create_snapshot_spec.rb
@@ -8,7 +8,7 @@ describe 'EC2.create_snapshot' do
 
   after(:all) do
     ec2.delete_volume(@volume_id)
-    ec2.delete_snapshot(@snapshot_id)
+    eventually { ec2.delete_snapshot(@snapshot_id) }
   end
 
   it "should return proper attributes" do
diff --git a/spec/aws/ec2/describe_security_groups_spec.rb b/spec/aws/ec2/describe_security_groups_spec.rb
index 542836832..17f4edd86 100644
--- a/spec/aws/ec2/describe_security_groups_spec.rb
+++ b/spec/aws/ec2/describe_security_groups_spec.rb
@@ -6,8 +6,11 @@ describe 'EC2.describe_security_groups' do
     actual = ec2.describe_security_groups
     actual.body[:request_id].should be_a(String)
     actual.body[:security_group_info].should be_an(Array)
-    security_group = actual.body[:security_group_info].first
+    security_group = actual.body[:security_group_info].select do |security_group| 
+      security_group[:group_name] == 'default'
+    end.first
     security_group[:group_description].should be_a(String)
+    security_group[:group_name].should be_a(String)
     security_group[:owner_id].should be_a(String)
     security_group[:ip_permissions].should be_an(Array)
     ip_permission = security_group[:ip_permissions].first
@@ -21,6 +24,26 @@ describe 'EC2.describe_security_groups' do
     ip_permission[:to_port].should be_an(Integer)
   end
   
-  it "should return proper attributes with params"
+  it "should return proper attributes with params" do
+    actual = ec2.describe_security_groups('default')
+    actual.body[:request_id].should be_a(String)
+    actual.body[:security_group_info].should be_an(Array)
+    security_group = actual.body[:security_group_info].select do |security_group| 
+      security_group[:group_name] == 'default'
+    end.first
+    security_group[:group_description].should be_a(String)
+    security_group[:group_name].should be_a(String)
+    security_group[:owner_id].should be_a(String)
+    security_group[:ip_permissions].should be_an(Array)
+    ip_permission = security_group[:ip_permissions].first
+    ip_permission[:groups].should be_an(Array)
+    group = ip_permission[:groups].first
+    group[:user_id].should be_a(String)
+    group[:group_name].should be_a(String)
+    ip_permission[:from_port].should be_an(Integer)
+    ip_permission[:ip_protocol].should be_a(String)
+    ip_permission[:ip_ranges].should be_an(Array)
+    ip_permission[:to_port].should be_an(Integer)
+  end
 
 end
diff --git a/spec/aws/ec2/revoke_security_group_ingress_spec.rb b/spec/aws/ec2/revoke_security_group_ingress_spec.rb
index 21138cd86..11078168d 100644
--- a/spec/aws/ec2/revoke_security_group_ingress_spec.rb
+++ b/spec/aws/ec2/revoke_security_group_ingress_spec.rb
@@ -2,6 +2,57 @@ require File.dirname(__FILE__) + '/../../spec_helper'
 
 describe 'EC2.revoke_security_group_ingress' do
 
-  it "should return proper attributes"
+  before(:all) do
+    ec2.create_security_group('fog_security_group', 'a security group for testing fog')
+    ec2.authorize_security_group_ingress({
+      :cidr_id => '127.0.0.1',
+      :from_port => 80,
+      :group_name => 'fog_security_group',
+      :ip_protocol => 'tcp',
+      :to_port => 80,
+    })
+  end
+
+  after(:all) do
+    ec2.delete_security_group('fog_security_group')
+  end
+
+  it "should return proper attributes" do
+    actual = ec2.revoke_security_group_ingress({
+      :cidr_id => '127.0.0.1',
+      :from_port => 80,
+      :group_name => 'fog_security_group',
+      :ip_protocol => 'tcp',
+      :to_port => 80,
+    })
+    actual.body[:request_id].should be_a(String)
+    [false, true].should include(actual.body[:return])
+  end
+
+end
+
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe 'EC2.authorize_security_group_ingress' do
+
+  before(:all) do
+    ec2.create_security_group('fog_security_group', 'a security group for testing fog')
+  end
+
+  after(:all) do
+    ec2.delete_security_group('fog_security_group')
+  end
+
+  it "should return proper attributes" do
+    actual = ec2.authorize_security_group_ingress({
+      :cidr_id => '127.0.0.1',
+      :from_port => 80,
+      :group_name => 'fog_security_group',
+      :ip_protocol => 'tcp',
+      :to_port => 80,
+    })
+    actual.body[:request_id].should be_a(String)
+    [false, true].should include(actual.body[:return])
+  end
 
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 1fcec3c71..509a7bd23 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -45,7 +45,7 @@ def eventually(&block)
       sleep(delay)
       yield
       break
-    rescue Spec::Expectations::ExpectationNotMetError => error
+    rescue error => error
       raise error if delay == 16
     end
   end