First of all I tried to use Server Side Maps, but I found that they need a Perl script with too many lines of code. So I came to phpbuilder and found an article from Rasmus Lerdorf : Creating Dynamic Images with PHP that shows how useful PHP and the GD library could be for that purpose. Thanx Rasmus!
This tutorial focuses on a thumbnail generation script I wrote for the Accidental President site. Rather than generating a smaller representation of the image, it cuts out a section of the photograph to create an obscure snapshot of the photo itself. The thumbnail's size is variable also, so the script be used across different sites to create different sized thumbnails where needed.
A thumbnail is a smaller version of an image. We use thumbnail to save download size & time for visitors. When a visitor visit a page with thumbnails, he can click on a thumbnail to see a larger version of the image. Thumbnails usually seen in any image gallery sites, online shopping, and many more
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