ithmb files on Windows

[Born_2_Kill_83]

O.k had enough of google now, can some-one tell me how to open/convert one of these picture files on XP?
Thanks

 

[Oddw1re]

I think this convers them

http://www.4shared.com/file/42222249/c11a0e88/ithmbconv080328.html

or this

http://modmyi.com/wiki/index.php/Convert_iThmb_Photo_Files