Dream ride Steps 3 & 4

1. Open up your dreamride.psd file and your background image in Photoshop.
2. Select the part of the background you want to use. (probably with rectangular marquee tool)

3. Still in the background image, in the top menu, choose Edit > Copy
4. Click over to your new blank dreamride.psd document and choose Edit > Paste
5. Command T or Edit > Free Transform to position, rotate, and scale your background as desired.  (tips on using Free Transform)
6. Push return to apply the transformation.
7. Repeat 1-6 for all of your dream ride parts.