Image Properties

When displaying an image, you can control the height & width is it displayed by appending the link with ?<width>x<height>. See the below examples. [[http://...../pic.gif?100]] - set width to 100 
[[http://...../pic.gif?100x50]] - set width to 100, height to 50 
[[http://...../pic.gif]] - use properties of image (via getimagesize() )