Hi there,
I have been trying to find the solution to downloading files such as JPEG's on Mac and can only find this solution.
Let PC users download the images in many of the available ways but for mac users, make a tar file of the image first (unix command line "tar - cvf imagefile.tar imagefile.jpg") and let them download that. Stuffit will then untar it when it has come down and present the user with the original file.
Tar is not compression so happens very fast on the server and the client. the only downside is they are left with the original file and the tar file but hey, blame microsoft!
Hope this works
Sumit Rai
Please email me to let me know how you get on.<sumit@pukkaweb.com>