I already complained about the references in ef, but obviously the creators aren't listening. Here's one of the more blatant ones from ep.8:

For those not in the know it's a reference to Clannad, a show which is currently on the air! I mean, seriously. At least wait until it becomes a classic or something.

Another thing the creators like to throw at us is a strange eyecatch. Some of them seem merely unrelated:

Others are confounding:

I saw even one completely inappropriate:

Perhaps it's a ploy to make viewers to watch the end of the episode (I skipped a number of these oddities by quitting early).

UPDATE 2008/03/16: Here's another one:

God. No comment.