bcc1234 - 4:05 am on Mar 16, 2010 (gmt 0)
I just noticed it on one of my sites.
The ad unit is 728x90, but I'm seeing flash ads of size close to 160x160 (can't figure out the exact size). The ad is displayed at the left side of the ad block and truncated ad 90px.
Is anyone else seeing this?