I looked at those and thought like SteveS about the Turtle stands. If you could add a ridgepole to these two I think it may just work. But at $39 an piece that can get a bit expensive.
Yosemite Sam: Are you trying to make me look a fool?
Bugs: You don't need me to make you look like a fool.
Yosemite Sam: Yer deerrrnnn right I don't!