I wouldn't do barebottom,unless you paint the bottom of the tank, my delhezi got all washed out very quickly.
View attachment 1220674
but I've gone for lots of rocks from a beach and some streams, bogwood, and some oak branches from the back of the in-laws house, and then a few plants for colour. my tanks a 120g with 3 polys and 3 ropefish
View attachment 1220675