Other stars, even giant ones like Betelgeuse even when imaged by the Hubble Space Telescope, are just points of light or featureless.

http://www.dibonsmith.com/constel.htm
The Constellations: has the Greek myths for the classical constellations and star information.

http://www.astro.wisc.edu/~dolan/constellations/
Stars and Constellations: each constellation is listed with an interactive star chart, information on its position in the sky, and the names of the stars.

http://www.windows.ucar.edu
Windows to the Universe: good background information on constellations and myths, as well as lots of other relevant background.