ugly but effective: plastic net pot in votive candle holders, starbucks and other brands plastic coffee cups, one inside another, the inner one is used as s/h pot with holes about 1 inch from the bottom, the outer one is to catch the drain off water. makes watering so much easier.
Iv'e done the tupperware thing - works great.
Treefern mount.
Jello, pudding or fruit cups.
Deli containers.
Large flat pieces of lava rock.
Large seashells.
Coconut shells.
My L.tenebrosa & L.purpuratas grew up in beer cups.
I think we need more photographs of these things. My contribution:
#1 Yogurt cup.
#2 Here's the bottom half of a Gator-Ade bottle.
#3 Pudding cup
#4 Pudding cups by the dozen.
etc. etc.
What a great thread! ummm...let's see...I haven't really mounted on anything or potted in anything "off the beaten path" so to speak...but great topic anyway!