if you're using a WDH, that may be the source of the creaking.
for condensation inside the canvas, get some Popup Gizmos and make sure you allow for air movement.
many hybrid newbies close up theirs like a submarine and use the furnace, a perfect formula for condensation.
most of us crack a roof vent open and slightly open a tent end window flap. using a vent fan or the bunk fan will also help.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC