The final banner!
(I also added this page, since it was not originally there)
Sketches of all of the above finished works.
And this was a first draft that I didn't really like, so I scrapped it.
I've never actually done one this advanced before, and this is my first time actually creating alternate content. So if anyone runs into any problems with it working, be sure to let me know so I can fix that up (I only got the chance to test it on about three different browsers). Thanks!