Super excited here, too!!

Since I switched to Chromebook, I can no longer install applications on my computer and have to use web-based apps. You'd be amazed how many free browser-based image editing software apps you can find on the Internet. Here are a few you might be able to use:

http://www.pixteller.com/create
http://www.sumopaint.com/home/#app
https://pixlr.com/
https://www.picmonkey.com/

Cheers,
Michelle