Greatest hits
This blog continues to get hits from Erosblog's mention of a post that discussed the romantic possibilities of a weekend away from the kids.
Second, searches for St. Pauli Girl costumes. Close third for the same post, but searching for girls on trampolines.
Note, these are the most frequently recurring search terms, not the biggest-hitting referrals. We can claim only two Instalanches, one kicked my way by James Rummel after he read my comments at Scott Chaffin's, and the other shamelessly self-promoted.