Best strategy for using hundreds of 1 kh/s CPU litecoin miners
Most likely it isn't worth the effort, even if you're not paying for electricity. But if you want to do it, CPU coins are the way to go. I'm not sure why you consider it "more trouble than it's worth." Check out the profitability calculators for Memorycoin and Primecoin to see if they're worth your time. If you don't want to hold those coins, you can sell them on an exchange for Bitcoin or Litecoin.