I'm very tempted to do it! And you're right, if you take all the challenges with provided caps into the equation, as well as communities like capshare (here on DW) or capspiration (on LJ), 100 different fandoms are absolutely doable.

By the way, I noticed a little mistake in the table (it's more like a typo than anything else XD) - #68 should be "blur", right?