Bypassing Content Filters

??? i tried pinging the aim express site.. it works at school but apparently the BESS in the library is "smarter". they even blocked the IP access.  :-/  i wanna know if there are any other way to lauch AIM(AOL instant messenger) on the library computer... im not sure if i download the AIM program on a disk and try to lauch in the library would work. i want some other ideas  ;D