A little bit of experimentation and I answered my own question. If you ever want to shove tons of images into a Catalyst project all you really need to do is make them into SWFs first. In my case I am putting between 6 and 12 images and animations into a scroll pane and using that for the main section of the site while all the pages (over 40 of them) are controlled via an animated spry menu. If I were to put all the images in seperately the first group creates a SWF that is over 32mb. By the end of it I would have a file over 120mb to download before people saw the first image. When you use the SWF format the project uses them as assests in a seperate file and the problem goes away.
Now we just need to get the communication with Flex to become 2-way and all will be good.
If anyone else has a different idea about this situation please let me know, I am curious about different ways to solve this problem.
(Sorry for my bad english, I have a french version and do not know the terms in english)
About pictures, to keep small the swf file, one solution is to store them in the 'assets' folder.
To do this : open 'bibliotheque',( beside 'calcs'), right clic over the names of the pictures and select 'link ...)
The 'assets' folder is loaded with the swf file to the server.
You can also simplify the pictures (but loss of quality) ...
In my site, all the big pictures and the videos are linked, the thumbs remain in swf file.
Hope this helps.