20thgti

I work for best buy. I bought a avh-p4000dvd double din for my 2003 gti. i installed it bypassed it great. but now im tired of the stock backgrounds how do i load custom ones. i want to get a famous stars and straps one and hostility. can anyone tell me what to do. for my in dash. oh and i have nero express 6. and jvc cd-r cds. so i have everything i just need the guidance. Please and thank you