I believe that the render badge with settings could be improved, so it uses more relevant information, and does not invade the render area. Not invasive, with more comprehensive and useful information, would mean that people could use the badge for finished works as well, and the parameters used would be shared with other users.
The improvements should be IMO:
It would look like this:
|Direct Lighting + AO 16 samples + Cphotons
mitchell, 16 AA passes, 1x5 AA samples, 1.2 AA Pixelwidth