We manage to give them places to sleep and we also manage to keep them fed, although barely so at times. Everybody is competing for food right now; I think it has to do with some instinct to fatten-up for winter.
Don't forget to get your feral cat calendar for 2013! It's not that far away, you know. Check out the link on the upper-right sidebar. There are two options this year. Personally, I think the Lulu calendar is more solid, but it's also plainer, so you have a choice.