Grapics sites

I use http://www.freedigitalphotos.net/ quite good selection

Unsplash has really great photos for backgrounds. https://unsplash.com

Along with eLearning Brothers template library I use Dollar Photo Club (https://www.dollarphotoclub.com). Every image is a dollar including vector images. 

Hey, Eric.

If you're a big fan of flat design and contemporary typography, check out http://pixelbuddha.net for freebies or paid bundles. The prices are extremely reasonable, and you can typically find great inspiration for self-designed elements in your courses.

Durarte.com has a "Diagrammer" tool. A visualization system with hundreds of graphics to filter through to find the right image to represent your concepts.

http://www.duarte.com/diagrams/

One other one I thought of is http://speckyboy.com. They always post free icon sets like this one. 

I've always used http://www.morguefile.com/ - make sure you select the free photos option, because it can take you off to other sites where you have to pay for images.

Here's a list I put together of free (or cheaper) resources

http://jennifervalley.blogspot.com/2014/08/free-or-cheaper-elearning-tools.html

This one is really good for its vectors; http://www.freepik.com/

After researching and getting approval for a decent budget, I was ready to propose Dollar Photo Club only to learn today that they are not accepting new members.  They are forwarding people to Adobe Stock.   Do you know what this is about?  I sent an inquiry, but did not get an explanation.  I recall Tom Kuhlman recommending this site. 

Terra - DPC had a limited number of invitations, unfortunately you won't be able to get one.

I personally think what Adobe Stock is offering is pretty reasonable compared to a lot of sites, and if you already use Adobe Creative Cloud, it integrates quite nicely into that. I think I'll probably switch to it once our fotolia subscription is up (Adobe bought fotolia, which had bought DPC)

Some others: https://creativemarket.com/ and http://www.psdbucket.com/ 

Thanks, Rachel for your comment and suggestion.  I am going to go back and do a little more research.  I will have room for a limited budget so I want to make sure I make the best selection!  :)