Hello everybody well i got a problem, i wana change my Final Destination Icon but i dont know how ok watch i have sc_selmap_en in my common5 ok

, now i head to brawlbox and i open the files ok theres a square file of the map,(64 widght,56 Height) ok now i know that i need to go to Pictoshop, then i go there i put the image i want and then i put in on the size of the level (64,56) ok when i do that i have to put a border or something like that behind the picture, i dont know how to do that on PS, so can somewhone tell me how to do it? I dont know if i explain so much but please can somehwone give me a guide of changing the picture??

Another thing i watched a video on youtube from a guy putting Twilight level but hes guide sucks he do it so fast and PS so can somewhone give me a good guide?
THANK YOU
