Watering a hanging rabbit’s-foot fern?

Watering a hanging rabbit’s-foot fern?

What do you green-thumbers recommend for watering a rabbit's-foot fern that currently has some renters? Obviously, we can't just dump water into the top. Mist the rabbit's feet? We're likely to have these two as boarders for at least the next three weeks.
My Bedroom

My Bedroom

pond

pond

Diagnosing Squash Problem (edited with more pics)

Diagnosing Squash Problem (edited with more pics)

Clutter!

Clutter!

new layout

new layout

some more pictures

some more pictures