If you checked out the Slide Design examples, you know that adding a few really good graphics can add a lot to your elearning. There are lots of resources out there, but we've listed a few that we regularly use and like below. For some helpful DIY graphic design tips, check out this blog article.
If you're looking for great around-campus photos, the MIT CPS Photo library has hundreds of great images you can use in your eLearning. Head here for more information.
Other graphics and images
Need quick access to some stock images of people? The Articulate Community site has a 60-image free download available here, of people in all types of settings.
Click here for a handy website that lists 39 stock photo sites with access to free images.