www.cartoonster.com
www.howtodrawanime.org
Queeky.com is a very good drawing website! I use it myself c:
DragoArt.com
There are a lot of websites which teach online drawing lessons. Recently, the government has announced that it will pay for the fees of the online drawing lessons. So, you don't need to pay anything for studies except registration in these websites to start your studies.
DragonArt.com
deviantart.com
There are many websites and resources with how-to steps and videos on drawing a skull. Some of the popular websites for a how-to is WikiHow and videos can be found on YouTube.
Good drawing scanners could be bought from a variety of sources, such as websites and stores. Some of the best places to buy them are from Colortrac, Best Buy, and Amazon.
drawingnow is a good website :)
Please see the websites in related links.
Here are some great ideas on websites that offer many pictures of coloring pages you can get some ideas for your drawing: http://www.free-coloring-pages.com/halloween.html and http://www.thingamababy.com/baby/2008/09/coloring.html.
One can find tips on drawing cartoon bugs on various websites like StudentArtGuide and Dragoart. Both websites offer a great amount of tips and tricks on drawing cartoon bugs.
One can find cat photos for drawing references on various websites like PencilCat and OnlyPencil. Both websites offer a great amount of photos and all kinds of drawing tutorials, which can be downloaded for free.