While many styles of white wrapping paper feature patterns, plain white kraft or butcher paper are more simplistic alternatives. To help keep focus on the tree, consider mixing in plain white wrapped gifts dressed up with metallic bows and ribbon.
How to Put Lights on a Christmas Tree. I have strung lights like this on real and artificial trees. It truly makes your tree glow. I like to do this at night to make sure I don't make it too bright or have pockets of dark spots.