The promised icon for sponsored communities:

[azurelunatic]

"a green head", Brad says.

Still waiting on the actual image.

Comments

[tygerr.livejournal.com]

I liked your "dollar sign" idea better. Obvious, honest, direct.

[azurelunatic]

I can't take credit for that -- it was mentioned several times in the discussion threads on those Posts of Doom that I summarized.