I don't' know a whole lot about this yet, but this could be a very cool resource. Sort of an Etsy site for digital stuff!
You can sign up now, and when it goes live you get $5 in credit...I'll be curious to see what that will buy! :)
Anyway, here's a link (cuz you get MORE credits if you refer people!)- Creative Market
And they told two friends...and so on, and so on....