Contents/Resources/appcontroller.rbのapplicationDidFinishLaunchingの末尾にwindow.alphaValue = 0.8を加える。 bagel[~]$ diff -u /Applications/LimeChat.app/Contents/Resources/appcontroller.rb {,.orig} --- /Applications/LimeChat.app/Contents/Resources/appcontroller.rb 2007-12-14 00:04:30.000000000 +0900 +++ /Applications/LimeChat.app/Contents/Resources/appcontroller.rb.orig 2007-12-13 21:09:11.000000000 +0900 @