You must first upload the photo to the internet. If you don't have a website or some kind of account (like AOL or photobucket) that allows you to upload photos to the web you can register for Kingsnakes Photo gallery (link at the top of the page).
Once you've gotten the picture uploaded you can put it in your message three ways:
Right click the image and get the properties - you'll want to copy the location or URL.
1. Type or paste the URL between [ img ] [/img ] (take out all the spaces) - this route will allow you to include as many photos as you want in the same post
2. Type in or paste the URL where it says "Image URL" at the bottom of the message screen. This will only let you include one picture.
3. If you use Kingsnakes photo gallery - you can select it from a drop down menu of the photos you have in the gallery (found on the message window). By holding down the CTRL key, you can select up to three photos.
Good Luck!!!
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Tosha 
JET Pythons