Legendishaq wapar Try to use source code viewer to views any page u which to source code.
As for the background!
Login to ur site and create a folder name B... create another inside and name the following name if u which to..... blineimg, bgimage1, bgimag2, fullpageb1, fullpgb2,...... That's four folders inside the first Folder called B.......
Now open the folder one by one and start to upload by the example of background link below.....


Now if u check the background link above u'll see something like below code
........
That's what u're goin to upload by remote server....