[HELP PLS] Background of client in half of screen

[luhfe]

Hello guys i'm little desperate, i finally found a .Pic edit working and change my picture of cliente (background)...but that S*** stay in center of screen. img on 640-480 (yea i try streech) but dont work.
Its like have a "table" like in img on PHP n force the img stay in center... some1 know whats f**** happen? :'( i see in another forum its like the client block the Ratio of image =(((

ty for attention.

 

[Mister Budex]

Probably resolution dont fit reals one

 

[luhfe]

well, 'probably' can be a lot of things ... i try to put in all resolution n dont work.
Someone have passed for this n found a solution???

Please, check it :

imgur.com/pw5Dr5y