Website browser symbols (how to make them?)

[wordtheory]

You know those symbols that are to the left of the URL's and to the left of the tabs. What format do you make those in, size, placement on server, etc?

For example, www.cnn.com has the CNN logo next to the URL.


Thanks.

[Wickham]

Favicons

http://www.wickham43.supanet.com/tutorial/specialeffects.html#favicons