Installing tongue-and-groove (aka T&G) boards is a fast, inexpensive way to panel any ceiling or wall. You can install T&G over bare framing, drywall or plaster, so it's a great cover-up for an ugly ceiling.
Ikea hack. Tarva Dresser with legs cut at an angle to create an elegant profile. This one small detail doesn’t cost a thing and it changes the look of the dresser dramatically. Paint: Farrow & Ball: Teresa Green, gloss (sprayed on). Pulls: Lewis Dolin’s brass round bar pull 15”from myknob.com