What exactly is it? Is it just when someone takes your pic and puts it on there site.

For example they would use this tag:

<img src="www.thesite.com/thepicture.gif (or jpg)">


I could be off my rocker and talking about a completely different thing...

that actually might be corect..lol..thats what I always have thought about it.

lissa does an excelent job of explaining it right here:

http://www.lissaexplains.com/graphics.shtml