Adium Dock Icon

If you use the Adium instant messaging client for Mac OS X, grab this free APU-themed icon pack and show your school spirit!

(Well, make the duck show your school spirit at least.)

Download the icon pack by clicking the duck above.
Find the zip file you just downloaded and uncompress it by double-clicking it.
On your Mac, navigate to Macintosh HD / Users / <your username> / Library / Application Support / Adium 2.0 (Your Adium folder might be named something slightly different.)
If the Dock Icons folder doesn't exist in the Adium folder, create a new folder there and name it Dock Icons.
Drop your newly downloaded (and uncompressed) AdiumyAPU.AdiumIcon file into the Dock Icons folder.
Launch Adium and open the preferences window. (Under the Adium menu.)
Under the Appearance pane, go to the Dock Icon menu and select Adiumy APU.