Personally I have not, so it would be silly. Plus I haven't really seen that. I have read the you either vote to rid us of Obama or you don't...I guess putting it as pro Obama might hurt your feelings, but it is one way to look at it.
If you haven’t seen it then you haven’t been paying attention.
The Romney Way/The Alinsky Way.
It only hurts because I laugh so hard at the weaklings/parrots/clueless mimicking it.
It is the way to look at it, an agenda-ized perspective, to compensate for the fact that in voting for Romney, you're voting for a liberal.
A more complete way to look at it is that by casting your vote for someone other than Obama OR Romney in the General, neutral between those two, you are using your vote to weaken either liberal victory.