Index: lib/webrat/selenium/selenium_rc_server.rb
===================================================================
--- lib/webrat/selenium/selenium_rc_server.rb	(revision 56830)
+++ lib/webrat/selenium/selenium_rc_server.rb	(revision 56856)
@@ -36,7 +36,7 @@
                                                                        Webrat.configuration.selenium_server_port,
                                                                        :timeout => Webrat.configuration.selenium_browser_startup_timeout)
         @remote_control.jar_file = jar_path
-
+        @remote_control.additional_args = Webrat.configuration.selenium_additional_startup_args
         return @remote_control
       end
 
Index: lib/webrat/core/configuration.rb
===================================================================
--- lib/webrat/core/configuration.rb	(revision 56830)
+++ lib/webrat/core/configuration.rb	(revision 56856)
@@ -53,6 +53,9 @@
 
     # Set the timeout for waiting for the browser process to start
     attr_accessor :selenium_browser_startup_timeout
+    
+    # Set the additional selenium params example to use custom profile
+    attr_accessor :selenium_additional_startup_args
 
     # How many redirects to the same URL should be halted as an infinite redirect
     # loop? Defaults to 10
@@ -66,8 +69,9 @@
       self.application_framework = :rails
       self.selenium_server_port = 4444
       self.infinite_redirect_limit = 10
       self.selenium_browser_key = '*firefox'
       self.selenium_browser_startup_timeout = 5
+      self.selenium_additional_startup_args = [] 
     end
 
     def open_error_files? #:nodoc:
Index: spec/private/core/configuration_spec.rb
===================================================================
--- spec/private/core/configuration_spec.rb	(revision 56830)
+++ spec/private/core/configuration_spec.rb	(revision 56856)
@@ -74,6 +74,10 @@
       @config.selenium_browser_key.should == '*firefox'
     end
 
+    it 'should default additional selenium remote control startup args to empty array' do
+      @config.selenium_additional_startup_args.should == []
+    end
+
     it 'should default selenium browser startup timeout to 5 seconds' do
       @config.selenium_browser_startup_timeout.should == 5
     end