Download either a release appropriate for your platform or check out the bleeding edge repository.
All releases contain an example configuration file and the video.x driver from MOL.
If you have no idea what to download you almost certainly want the win32-jitc release.
These are links to the sourceforge mirror system. Don't "save link target as.." since that will only give you an HTML file.
For those who have no idea how to create a big file, here's a bzip2 compressed 3 GiB and 6 GiB file filled with zeros. The compressed files are < 5 KiB in size.
3 GiB disk image
6 GiB disk image
createdisk.py a Python script to efficiently create empty disk images
You can browse our repository online: View repository online.
To build from the repository, issue in the repository (cd there before)$ ./autogen.sh
Then use configure and make as usual.