It has been on sale @ rpgnow for a day, so if you purchased these tiles from rpgnow before now, they weren't automatically added to your account. Just submit a request to have them manually added in that case. Here's a video of how to do that in case you forgot: http://www.youtube.com/watch?v=R0heifzKN-Q
Note: I added a new tag titled 2e to mark tiles made in this new style Skeletonkey is doing.