You can check out these two companies:

Rent A Wreck. The URL is: http://www.rentawreck.com/ The cars there are not as new as with the larger rental organizations. They are still well kept and good cars. Depending on your daughters age they do not add additional charges for drivers under 25 so that might be a perk.

You can also try Easy Car. Their URL is: http://www.easycar.com/aspx/nossl/default.aspx Its a British company with world wide locations that offers good rates on car rental.

Warm regards, Malene Sonoma CA