problems with editing launcher

Hey all... I use pk2 extractor and editor...
I extract the media.pk2 ... Then i change the the bg_4.dat and bg_5.dat ( i want to use another background)...
If i use the editor to import the new images i get this error when i start the launcher : File Load fail! ...

can anyone hlep me ?

add my yahoo messenger id ( extasydealer ) i will help you

Probably launcher have not same size
Or you converted wrong to ddj

lol its not ddj ....

launcher_europe bg_4 ,5 are Data Files

you can make ur own launcher in Photoshop

then open bg file data with open With [ Paint] Then copy - past you launcher in Data file

then you can config ur Launcher setting's from

[refresources] in Launcher in media

ty guys ;) launcher finished :)