I put up some spotlights so I can see things on the back wall with fairly even lighting:
The lights are your basic clamp lamps which can take 150 watt halogen flood bulbs. I bought some heavy-duty cupboard handles which I screwed into the ceiling studs and clamped the lamps to them.
Then I plugged both lamps into one extension cord, and stapled all the cords to the ceiling and down the wall to the outlet so they wouldn't get in the way. Low-tech and reasonably effective.
Another photo-based piece started. This is one half of what will be a diptych:
and mostly stitched in
All the lines are not stitched down yet - I need to sleep on it before I can decide exactly where to place everything.