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An avatar is a graphical representation of one's self, personality or alter-ego while engaging in online communication.  Avatars can range from simple, static 2D graphics to complex, animated 3D forms controlled by the user. First of a great series on avatars. Clear, concise.

Excellent Photoshop tutorials for skills needed for Second Life and similar virtual world graphics and mesh content creation.  Also see her site at http://robinwood.com/Catalog/Technical/PhotoshopTuts

This post details possible causes of low performance for those accessing virtual worlds with low end computers. This is just one of many design considerations when designing a virtual environment for a specific learning audience. Short story: The more graphics a computer needs to "see" (ie: load), the slower it is going to run.

This was a fun place to visit. My little kids enjoyed walking around this scenic SL Zoo. I liked the graphics and the set up. However, I would have liked to be able to interact with the animals. Also, if there were sound effects, they were not available at the time I was in this virtual site. It would have been a nice touch if the creator added informational cards about the different animals that were displayed. I'm going to search around a bit to see if there are other virtual zoos.

This sounds like a great idea for a vitual field trip to a zoo. This might be the only way for teachers to "get out the classoom" because of buget cuts. Too bad there are no sound effects or information cards.