This is the perfect plugin for what I'm looking for if I can just get it to work. The problem is that the thumbnails are replacing characters and the URL is getting screwed up.
This is what the thumbnail is calling out:
You can see the page itself here:
I tried the two fixes from this thread but they didn't work.
At first, I thought it might be a TlmThumb issue because of Jetpack's Photon overwriting it but I turned Photon off and didn't see any changes. Any ideas? Or suggestions of similar category-based grid generators?