Here's an online photo editor that fun to use, easy and effective. Although it lacks tools to enhance portraits, it has many of the basic tools to make any other photo look better. And, it has a bunch of special effects that you won't find anywhere else.
321 Free, DIY Online Photo Effects - Picture2Life.com is an online photo editor that's fun to use. Fix any of your digital photos or cell phone snapshots and then apply any of a bunch of easy special effects. Click through to learn more and to give it a try.