This site has billions of room decorating ideas! Put a term in the search box like "Navy blue bedroom" and it will bring up thousands of rooms decorated as such. You can also create your own boards in your account like "Bathroom ideas" and "Kitchen paint colors i like"
Super cute idea - DIY Bed Canopy. Going to do this in my 9 & 11 yr old daughters bedroom with soft yellow sheers and a really cute Pink metal butterfly they already have in place of the black one in the picture :) Follow the link for a complete tutorial: http://iamthatlady.com