The Garden Centre in Puerto (Oasis) had a variety of very small tillandsias last year and I bought 4 to see how they would do here. I've attached them all to different media and are growing them on slightly before attaching to tree trunks.
Same family as pineapples so hoping they will do well.

wiki:
[color=#666666][size=small][font=Arial,Helvetica,Sans-Serif]Tillandsia is a genus of around 650 species of evergreen, perennial flowering plants in the family Bromeliaceae, native to the forests