Drape the ceilings: Use a bright color, like yellow, if you're after a fun vibe, or keep it formal and elegant with white or champagne fabric. Bonus: Take this route and you can go light on the table decor and still get the same decked-out reception look.
I usually reserve this for the end, but I'm giving you the link to the full image gallery right up front. Because I need you to promise me you will set aside your entire lunch break to dissect it. This Ontario Hindu/Jewish/Christian