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CBS
Tech Republic: Project Manager: Graphics 101
Detailed beginner's tutorial in creating online graphics. Requires access to a bitmap editor. Choose among topics, or work the entire 15 page tutorial in order.
The Franklin Institute
The Franklin Institute: Minutes From Me: Add Graphics to the Links Web Page
A great way to make a web page interesting is to use pictures,or graphics. This site describes how to integrate images into a web page to make it more appealing.
Other
Nielsen Norman Group: Guidelines for Multimedia on the Web
Guidelines on how to design presentations for web media. This is an old article and some of the information is outdated, but much is still relevant. SL.9-10.5 Audio Visuals, RI.11-12.7 Eval Different Media/format....