I need alot of help modding my PSP Slim (2000)?

i have the daxter bundle pack PSP slim and i recently had to upgrade to firmware 4.05 to play my star ocean game (kick A$$ remake) i want to MOD it to run homebrew apps and ply .iso files but i cant do it on my own anyone in ossining know how and have moded a psp slim b4 willing to help me out please let me know anything i can do besides go out and buy the pandora battery beacuse i suck at the whole mod thing anyone who can mod it for me ill pay and who wont brink my PSP