The photofunia.com site enables you to blend your images on various ready-made photos. A sample one is given below.
All are catchy photos with special effects which will boost your spirits high. The website uses mostly face detection algorithms to cut out your face alone from the image you supply from your computer/pc. It also enables to save to Imageshack for easy usage in internet sites or save as Avatar to use in forums and as thumbnails or to save the entire image to your desktop and that too for free!!!