I wanna connect my pc with net mobile

Hello sir,
First i wanna know he it is possible to find net program for nokia n 76 which can support songs and videos ??? I downloaded skifire but the voice isnot work and i can't fowloce via it so he anyone know a program like this which support free net plz tell me.
Second , i wanna connect my pc to net with the mobile net ! I did it but the problem here in egypt that there is limit in mobile net so when i connect my pc with mobile net it just work for minutes and then it boom disappear (disconnect ) so plz any one have an idea how to solve this problem or have any program for this just say about it . I realy need this too much and i will wait for positive replay .