you need to copy the link example http:// where ever the picture is. if it has img in the link it wont work.
after you copy the
http://.jpg link
click on the (mountain with the sun.. yellow in color) icon below undo button in the message tool bar.
once you click on the icon pop-up window will prompt you to paste or type the link to the pic.
Paste the link in the field & click ok.
I hope I was clear enough on the instruction.
Best to use imageshack or photo bucket so the pictures in ClubRalliart doesnt slow the site down...