The Effects of Spiders on Drugs... no wait

You might of heard about people administering various human recreational drugs to spiders and observing their web-building behaviour.

See these links for initial information:
http://en.wikipedia.org/wiki/Spider_web
http://cannabis.net/weblife.html

Here is a pretty funny video that starts off normal but soon turns into a delicate mockery of people's drug habits. The best part was the supposed sponsoring agency at the end.

The Effects of Drugs on Spiders

The first link is from DevilDucky.com, which was the first place I saw the short video.

Spiders On Drugs

The second link is from youtube.com, which might be more stable and includes comments.

If you have any links to better information on the genuine experiments, I'd appreciate it.