Quick warning regarding loading images using the Loader class in Flash Player 9…
Image files that are saved with a CMYK profile will appear with inverted colours, this includes JPEGs. It might sound a random thing to encounter but it can happen if you are allowing users to upload images. So it’s probably best to re-save the images on the server using an RGB profile and also check for things like a high DPI, which is likely to also be the case with CMYK images that have been designed for print originally.
Should you want to do this in Flash after loading the CMYK image here’s an excellent resource to get you started: