I found myself looking over some photos that my mother took when my parents were over here in Japan in April and May. My father has always been a bonsai fan, and one of the earliest exposures I had of Japan was from a bonsai book that we had at home.
Hanging lights on branches. Go natural with a fat branch and hang a combination of ornaments and candles attached with wire. Use twine or strong fishing wire to suspend the branch from above. You might want to try hangers so as not to damage your ceiling.