I could put this in ti the photoshop area as well, what i would like to know is how does one creat distressed (decay) backgrounds from scratch, i was experimenting with the supplied filters in photoshop cs2 and painter8.

even experimenting of the computer i find it hard is there a way guidelines like creating brushed metal and rust in photoshop
Example link:-
http://gug.sunsite.dk/tutorials/lorindol2/
http://gug.sunsite.dk/tutorials/brushed-metal/ <<<(Not the best just googled it there)

Like these examples:-
Creating Distressed  backgrounds Creating Distressed  backgrounds

any help much apreciated