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

Points Taken! Budget is of course an issue, we are looking at 2k to 2.5k for the first set up. I am looking at the Canon 30D and am pleased with the reviews. I am in total agreement with the fact that it is knowledge and not totally equipment and will be taking a few classes before the next trip (in...