When you find the graphic you like, right-click on it to get the url addy (http://something or other) Copy that whole url from the http to the file name and .jpg or .gif.
Now, to post it, this is the command you use (I'm going to use one of the gingerbread houses already posted as an example)
<img src="http://members.aol.com/billiews/GBHouse1.jpg">
This is what you will be posting:
If this works, then I've crossed a rather large fear threshold.
Wow, cool, looks like it'll work...not so magically delicious as some of the other goodies on this thread, but I always think of Hansel and Gretel when I see a gingerbread house.