i need help with searching for an image inside another image

I need to write a program that checks for a specific image (a jpg) inside another, larger, image (a jpg). If so, it returns a value of true. Can anyone help me?

Winner takes all. First person to solve this gets 10 dukes.

Please help.

[252 byte] By [1cMas5_cowa] at [2007-11-15]