The easiest solution for now would be just to cut a fresh bushy tree branch and put it in there. You can replace it every few days as the leaves die off, or until you find something permanent you want to put in there.
Of course, you're the one that started this thread aren't you?
I have the 2 parents, pair no. 1
Then I have Itty Bitty and Birdy ( Buddy's Sis and Bro ) in the same pen pair no. 2
Buddy is in a pen all by himself .. until I get around to ordering som different hatching eggs from a dif line ...