PowerPoint 2007 is quite powerful and easy-to-use. Making a greeting card using your own pictures, effects and sounds is definitely a brilliant idea and nothing can be easier than doing it in PowerPoint. authorSTREAM makes the job of sharing your card with your Valentine easier as you don't need to email your byte-bulging fat multimedia presentation via email. Simply upload to authorSTREAM and share privately. If you want to offer your card for other users to use, just make it public.