[TYPO3] typolink to an image

[Bertalan Fodor]

Hi,

I have a GIFBUILDER-ed image. When I click on it I want to display an 
other image. I think I have to use showpic.php (tx_cms_showpic), because 
imageLinkWrap has no possibility to set the file.

How can I achieve this?

Thanks,

Bert