Hextor- this? Nice composition.
You've already got it up there, so start with 4.)
If you want to use the site's album (images tend to be smaller than hosting site's size)
1.) Login
2.) Go to My Account (may have hit Home button first) and mouse down to Album.
3.) Choose
Upload Picture (navigate to photo you've given a sensible name to),
be sure to then hit Upload.
4.)
Go back to Album, click on thumbnail to open full size image.
Right click (Windows); Control Click (Mac) and select "copy image location" (its URL).
5.) Return to your reply window in the thread and click on the
IMG button at the top of the compose window.
7.) Paste the image location into the window and click OK.