ICQ Resources is an ICQ icon replacement set. Drop the new ICQ resources file into the ICQ folder and enjoy the icons which look much better than the original ones.
Version 3.0 improves the look of ICQ. They feature replacement icons, graphics and they reduce the size of the main window and the ICQ floater window. They also add a shortcut which allows you to show / hide the floater by pressing apple-f.
*Previously available here