Blobs' thumbnail may be an issue for copyright.

[Steve0Greatness]

The extension's thumbnail, currently, uses a Minecraft slime, which to my knowledge isn't really allowed under copyright law. I doubt there'd be any kind of lawsuit, just an observation.

[Steve0Greatness]

Here's a quick little concept for a replacement for the Minecraft slime:

[Steve0Greatness]

Once again, this is actually an issue relating to copyright law.