the traditional collective noun for a sausage is a link............yes, it's a weak pun but hey, it's my web site....

Some web sites are just way cooler than others.
A group called Improv Everywhere do great things to make the world a better place.
Go here to see them on Tudouhttp://so.tudou.com/isearch/improv%20everywhere/

I cannot vouch for all of these, but exploring is in the nature of the subject, so off you go. (S) means it's a study site, (D) means it;s a doing site and (SD) means it's a hybrid.....but really, click 'em all.

http://www.artlex.com
(S) where else would you start? nowhere, that's where

http://www.artchive.com (S) fabulous, period

http://www.manetas.com/pollock/ (D) the grandaddy of all interactive abstract expressionists gets his own webosphere makeover.....

http://www.artisancam.org.uk/ (S) not that I am biased...but, well, it's English and, surprise surprise, very creative :-)

http://flockdraw.com/ (D) and this would be American, and supremely cool, draw in real time, with others, yup.....

http://bomomo.com/ (D) I seldom use the word awesome......and I am not going to....but this is pretty close, click it and see, go on.....

http://draw.to/new
(D) very simple, but some results I have seen are too cool for school....

http://www.artbabyart.com/linkyou/all_links.htm jeepers creepers, a huge number of links.....

http://apps.exploratorium.edu/10cool/index.php?category=2&cmd=browse lots and lots, looks design biased but cool

http://www.artinaction.org/webpage/link craft based maybe, cool though

http://www.guidetoonlineschools.com/library/math-art maths / art crossover, nice

http://graffiticreator.net/
woah....

http://www.mutapic.com/Index.html need an online visual brainstorming one stop shop? this might be it.....

http://www.lumosity.com/
not art at all, but so good, reclaim your brain and challenge your friends,. They also have a free sign up personal brain training section which is full of games to help you focus, solve problems...etc...I signed up already :-)

http://www.worldmapper.org/

www.slowlydownward.com strangeness from radiohead's designer and painter/printer/story writer in his own right