Depends on what you are looking to do specifically. There are some DIY home improvement sites that can help, such as HouseLogic.
Yukia and DIY
DIY Nation - 2011 Dream Bedroom 1-7 was released on: USA: 8 October 2011
If you are good with do it yourself projects, you could install a bench in your bedroom window. My advice would be to visit a local DIY store in your area. They are generally quite good at providing advice for your DIY projects.
use your imagination find horse posters cut them out and make a collage or maybe make a mural for your wall . There are lots of ideas maybe try some of mine or some others.
hollister.
posters
Stuff Happens Hosted by Bill Nye - 2008 Bedroom was released on: USA: 30 September 2008
get nice boxes fill them with your stuff and stack them up
To create a DIY floating bed for your bedroom, you will need to build a sturdy frame using wood or metal, attach it securely to the wall or ceiling, and then add a platform for the mattress to rest on. Make sure to use strong hardware and follow safety guidelines to ensure the bed is stable and secure.
The bedding is from zgallerie
To create DIY shelves for your bedroom, you can use materials like wood planks, brackets, and screws. Measure the space where you want to install the shelves and cut the wood to fit. Attach the brackets to the wall and then place the wood on top. You can paint or stain the shelves to match your decor and add a personal touch. This will help maximize storage space and enhance the look of your bedroom.
You can get bedroom lighting ideas from decorating shows on DIY network. You can also get them from places like Lowes and Home Depot. Another place you can find these kinds of ideas are online at the HGTV website.