download multiple files in 1 shoot

hi guys.. how can i let people to download the following files by just clicking a button?
* all the files are stored at server but not database.
* i am using framework 2.0 
http://www.example.com/file/abc.jpg
http://www.example.com/file/xyz.jpg
http://www.example.com/file/www.jpg

Thanks for your help 
 

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