This is a great site for students to find images that are copyright-friendly.
Webinpaint
Quick, easy way to eliminate any image from your photo that you don't want.
Photofunia
PhotoFunia is an online photo editing tool that gives you a fun filled experience. You upload any photo and just wait to see the magic.
Flickr
Upload and share your photos.
Spell With Flickr
This site takes images from Flickr and uses them to spell whatever you type in. You can then embed it into your website.
Lunapic
There are 200 effects you can add to your photos and when you finish you can then upload immediately to Facebook, Twitter, or Tumblr.
Be Funky
BeFunky simplifies photo editing and effects for everyday people. Photo editing made smart. Fix your common photo problems like bad lighting, digital noise, fuzzy colors and details with one click.
Dumpr
Create marvellous photos to share with your friends. There are amazing effects you can add to your pics.
Big Huge Labs
This site helps you do cool stuff with your pics. You can create a variety of images from Motivational Posters to Trading Cards.
Image Chef - Word Mosaic
Create a mosaic using your own words in whatever shape you want. You can also use initials. Fun for students to create pics describing themselves.
Picnik
Picnik makes your photos fabulous with easy to use yet powerful editing tools. Tweak to your heart’s content, then get creative with oodles of effects, fonts, shapes, and frames.
PD Photos
Royalty Free, Public Domain, Stock Photos. This is is a repository for free public domain photos. Unless something is clearly marked as being copyrighted, you can assume it is free to use.