Give the GSC11 catalogue a go, but if you're having troubles recognising enough stars go with USNOA-A2.0. I just checked the FTP site -
ftp://ftp.nofs.navy.mil/usnoa/ its working fine. Its a 6GB download. The key is to tweak the plate solve parameters. You don't need to solve all the stars in the field to obtain a high level of accuracy, just enough to obtain recognition. You can still try solve them all if you wish, but it will slow the process down, especially if you're building a large map.
Need more catalogues? Here you go -
http://tdc-www.harvard.edu/catalogs/
Seriously though, if you can't get the solution working with GSC11 or USNOA-A2.0, your configuration is wrong. Try manually plate solving an image you've already taken to test it out. Obviously needs to be in FITS format given the RA and DEC coords are in the header to at least retrieve the right info in the catalogue. If your initial pointing is way out, you many need to manually sync the scope to get it started. Get use to parking/homing the scope once you've finished using it.
A thread for reference info -
http://www.iceinspace.com.au/forum/s...ad.php?t=28118