[TYPO3] How do I make gifbuilder work on temp generated image files ?

[dave typo]

Is there a way to make gifbuilder work on a file that is generated by typo3?
For example, could I make gifbuilder affect a generated file like
http://www.mysite/typo3temp/pics/4a4eb19c26.jpg ? obviously I cannot
reference 4a4eb19c26.jpg in the ordinary way, because after the page is
regenerated it will have a new file name...

I am trying to put a gifbuilder overlay on an image. I know how to do it
with a specific file name, but I was wondering if there's a way to do it
with a dynamically made image.
Can this be done in typoscript?

is there an extension that allows this type of functionality?



thank you for any replies,

even a 'no, can't be done' ...

thanks,


-dave