In Quartz Composer, you'll almost always want to use a Clear patch — don't assume that you can rely on the prior contents of the framebuffer. So, to accomplish this, you'll need to load all of your images into a structure (probably by using JavaScript to feed an Image Loader patch and build a Queue from that), and then display all of the images each frame using an Iterator. Check out Apple's 'Image TV' sample composition, available in the OS X Developer Library in the bundle. This example demonstrates how to load a series of images into a structure and then display them.

Jul 24, 2008 Watch video This is a little sample Quartz Composer composition which loads a bunch of. From within an Iterator patch. Tachograph Driver Card Software.