This needs to be in 3D chat, since you don't have an FPSC screenshot.
Quote: "Can somebody help me export it because I dont know how."
File > Export. Can't say that I've tried exporting as a .x file since Blender seems to have an issue with that format. I export in .obj format and then use Milkshape to create a .x file. But try
this link.
Quote: "Still trying to learn how to use the UV mapper thing"
For a mesh as simple as that;
1. In EDIT MODE, Press A to select the entire mesh.
2. Press Ctrl + E and select "Mark Seam".
3. Press U and select "Unwrap".
Quote: "does anyone know how to make the all of the parts into one model."
Press Shift + Right click to select the seperate meshes in object mode, and then press Ctrl + J to join the selected meshes.
Kravenwolf