Follow these pics/steps:
Click on "Share Your Pix!" in the upper right corner.
(Open it in a new window/tab)
Click "Browse"
Select a file from your computer and click "Upload Now"
Click the "Click here to copy your codes" button
Control+C to copy
Return to Ninja's thread that you are creating, and
Control+P to paste code into your post.
Now you try!
Good luck. Can't wait to see your contributions!!