I'm moving soon, and I'm going to paint my new room light yellow. It comes with a bathroom too, any decorating ideas for the bedroom and bathroom? (bty, this is a teens room.)
I was also thinking about getting a daybed. Where can I find one for a decent price? What about the bedspreads for daybeds? Where can I find them?

heres a few fun sites to look through for decorating ideas and shops

http://girlsthemebedrooms.com

http://teensthemes.com

Here are a variety of daybeds starting at $199:
http://www.homedecorators.com/Furniture/S/daybeds/Bedroom/Daybeds/
I think any twin size bedding will do.
Yellow is a great color that works so well with almost any other color: blue, green, orange, white, etc. Not sure what style you prefer, so it's hard to give decorating suggestions, but here are a few:
http://www.hgtv.com/hgtv/decorating/article/0,1793,HGTV_3545_1587307,00.html
http://www.hgtv.com/hgtv/dc_design_bedroom/article/0,1793,HGTV_3366_1375535,00.html
http://www.hgtv.com/hgtv/dc_design_bedroom/article/0,1793,HGTV_3366_1381716,00.html