Indeed it is only a frame but its still there. There is also a Jeep commercial with a bearded dragon in it. It seems there are some herp lovers in the advertising community.
"Harry Potter...Secret Chamber": There are half a dozen short shots of a Veiled starting at about minute 49 through minute 51:30. There is also a bearded dragon and some sort of frog. It all takes place in a classroom setting. The Veiled is on Hermione's desk. Don't blink .
i saw that a few months ago and pointed it out to my science teacher. its pretty cool when, even if it is for a split secon, you can recognise any animal that pops up