Don't try and hide that Leksvik table from me, I can recognize Swedish wood from a hundred miles away. We all own Ikea furniture, it's as certain as death and taxes. But not everyone makes a projector from a lamp.
Instructables member Derte84 cobbled together his projector using just the Isbrytare lamp from Ikea, tape and a couple of photo slides. Very simple, as you can tell. This particular model of lamp has a lens, which is necessary to make the image beam onto a wall, and is what Derte84 attached the photo slide to—though not too close to the light, as otherwise it'd burn.
Then, you can bore friends and family to death with holiday photos the old fashioned way—in Sweden, at least. [Instructables]