[nunobrito]

If possible, I'd ask for a shorter tag name to keep it more readable. For example: "gwtar-screenshot" and "gwtar-description" would work. I've just asked to make it official because otherwise is difficult to get different parsers to agree in the future.

> An iframe wrapper?

The way Archive.org does this navigation between multiple versions is quite pleasant to use. Don't know for sure but might be an iframe added on top.