First, you have to sign up for an online photo storage site. Alot of us here use Photobucket.com.
While your waiting for your pics to be uploaded, read up on
How to post pics! under the Photo Expressions forum.
If you're going to use Photobucket, all you have to do is to copy the code and paste it in a post.
It should look like this in a post:
[code][img]http://i216.photobucket.com/albums/cc235/pookie_beardie/2007_10-31c.jpg[/code]
Which will transfer to this: