Hm... since it seems you're having problems on how to create the card image, let me help you.
1). Save the image (right click -> Save image/target as) onto your computer temporarily
2). Click on this link here:
http://elementscommunity.org/forum/index.php/topic,12656.0.html3). Interact with the card image designing system; click on the title, 'text' box, card's cost "X" value, etc. to change their values accordingly to your card text and whatnot
4). Upload the card art saved onto the computer into the card file
5). Save the card (both versions) onto your computer as a png file
6). Upload the image onto
http://imageplay.net/7). Place the DIRECT IMAGE LINK into the 'url' codes or [ url ] code option in the table format
8
). ??
?
9). Profit.
If you have any questions or issues regarding the steps above, I'll post a few more details if you need help. ^^