program

[core20]

i was wondering if their is a program in Mac that i can use to modify and image.. like the picture that I took when I first opened my Mac book pro which is used during my login???? Basically i would like to alter the background of the picture to change the color of the wall behind my face to a different color and some other crap, what program could i use, preferably one that doesn't cost like $300 ????


thanks--

 

[Kilted1]

This may help
http://www.chocoflop.com/
or there is Gimp..