Greenscreenfootag e and 3Dish backg

[Boke]

I'm getting ready to do some green screen work and I'll end up mixing it with Flash and some other programs to make a kind of "virtual" classroom. But I'm worrying about the background,I don't know if a simple background that would work on a website without an actor will work here, I'm thinking it'll look kinda "flat" . Does anyone have any experience with this? I'm trying a couple of things but not really sure which way to go. Here some examples:

This would be the normal radial gradient background, the button and text have reflections which help the "3D" look a bit , but I don't really know how to intergrate it with the actor footage

http://www.templatemonster.com/flash-tem plates/18646.html

Here is something that I came across that I thought had more depth but again I'm no expert:

See how he has the different colors which form a line around the middle background?Almost like a room,where the floor meet the wall.

http://www.videocopilot.net/products/

Or here, I kinda like this, scroll down to the "Hello New Website" entry

[sherru]

WOW!!!! i went to that top link! that's GREAT!!!!!!!!!!!!!!!! wow, really good, i have no idea how you did those buttons...

anyway- where are you from? your username is boke, that's the rugby team here in S.A

[sherru]

>,> i guess i should read before i say anything... HAHA, sorry i thought it was yours

[Boke]

The buttons in the main menu have an After Effects created FLV file for the animation. The start menu button is a simple mix of masks, blur and glow filters