Here's my first work print. Had to let my son have the honors of being my first darkroom printing subject. He got to watch the image appear on the paper too - something he'd never seen before.
If you aren't into making your own blackout curtains, I highly recommend these folks: Dead Link Removed . They were very responsive. They have done darkroom curtains before, and provide a light blocking valence around the track, as well as adding length so that the curtain drapes the floor to seal out light.
If the light you are blocking is intense, I would recommend doing a double set of curtains, one outside the other, because while it is pretty light tight, the seams can let some pinholes of direct sunlight through. A double layer would catch all that extra light, and give you better options for creating an entry, sealing the ends, etc.
They provide a system that includes curtains, hangers, track, etc.
In my case, the original curtain they sent was a little too short (just barely brushed the floor, didn't drape.) So after a phone call, without any additional charge, they decided to send me another one - and they let me keep the original curtain!