Enabling a very useful tag

I think it would be very useful if we could resize images via. BBCode tags. For example, I had a 1280x1024 desktop screenshot I wished to post, but that is fairly large, so I hoped that I could resize it to 800x600 by using [IMG=800x600], and according to bbcode.org, it is possible:

Quote:

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Originally Posted by bbcode.org

Include AND resize an image in your post

Code example

[img=200x100]http://xbox-linux.org/down/darwin/darwin-crash.jpg[/img]

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Would it be possible to enable the dimensions in the [IMG] tag?