I've used PhotoScape for years and still do. It's very versatile, quick and easy to use, I much preferred version 3.7 to the current version which is X; you should be able to find a download for 3.7 on the Internet. I've also used GIMP a bit, it has many of the features of PhotoShop but I found it too slow and complicated for general editing. It's too bad there's not a version of FastStone available for Macs, it's a really nice bit of software and also free.