You are talking about 'favicon' or bookmark icon.
Yes they have been discussed ad-nauseam over the last year at least.

In a nutshell these two posts should sort you out

► http://www.talkgraphics.com/showthread.php?t=42471

► http://www.talkgraphics.com/showpost...23&postcount=1


And Welcome to TG by the way..