Handling images using apache server

Question

May be the heading of this question is wrong, but here in this section where i can explain my question properly.

Below mentioned link is a image of movie(ZD30) hosted by IMDB website.

But when u change the the link to this

results me the same image but in a different width and less size. I am highly impressed by this technique and want's to implement in my website too.

Any help will be appreciated.

thank you very much

Solution

You can maintain your own Image server, and check the request eg.

?URL=ABC_20x20.jpg

process the image at your end and response the client by changes one.

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