Resize images with forum code?

[borgqueenx]

I already tried this:
[img=200x200] http://blablabla.jpg[/img]

doesnt work.
i really need it for this topic:
http://laserpointerforums.com/f39/532nm-keychains-star-cap-closed-time-56250.html

 

[Blord]

I don't think it works here. You have to manually resize the pictures before putting them on the net.