USB Modem

[combili]

hi everybody, i'm a linux nOOb and i've been trying to get my icon 225 by mobinil USB Modem to work on Kubuntu 8.10, i've seen alot of things but i don't understand a thing...so can anybody be kind enough to tell me what exactly i have to do to get it working ??? thanks in advance :)
P.S. : i'd be really greatfull if everything was in a GUI