Thanks Phil,
I've actually used GeoGreeting before with my students to practice spelling words. They thought it was a little bit more fun than just writing them down.
http://bbs.keyhole.com/ubb/showflat.php/Cat/0/Number/197706/an/0/page/2#197706I really got the idea for the Geometry Lesson from the post above; the Maths in Las Vegas and Maths in Madrid posts (but there is an incredible amount of useful information and files in that link about many different subject areas. TBarrets blog is also a good read).