[ image="left" ]IMAGEURLHERE [ /image ]*other BBCode stuff goes here*
Without the spaces between the brackets and the text inside the brackets, obviously.
Here, the moving sprite:
http://archives.bulbagarden.net/media/upload/b/b3/SilverHGSS.gif
Sugimori Artwork:
http://archives.bulbagarden.net/media/upload/a/a6/HeartGold_SoulSilver_Silver.png
VS Sprite:
http://archives.bulbagarden.net/media/upload/b/b6/VSSilver.png
There ya go. Anything else?