anyone knows how to fix an old photo like this one?

can anyone tell me how to resize a photo in cs2? any help will be apreciated. Thanks

I work for a not for profit company, we are going to remote areas in Southeast Asia and South Asia to photograph, collect, and study traditional kite makers. This means that we can only carry limited equipment, and have very limited (mostly none) lighting options. We need to be able to take really good...