This site gives general information about Lake Titicaca, The Uros Islands, and Taquile Island. The site also contains pictures of lake Titicaca: http://www.culturefocus.com/peru3.htm
An archeological experiment using totora boats and trying to reenact the transport of andesite stones. The aim of the experiment was to prove (or disprove) how the Tiwanaku pyramids, found in one of the cities close to Lake Titicaca, were built. http://www.archaeology.org/interactive/tiwanaku/project/experiment.html
http://www.enjoyperu.com/The site of travel agency and tour operator which however has a multimedia presentation on Lake Titicaca. Click on Lake Titicaca – Puno and follow the links.