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.
How to Fill Nail Holes - Easy and Frugal Tip!
How to easily and frugally Fill Nail Holes with this easy DIY and home improvement hack. From TheGraciousWife.com
How to Repair Cracks and Holes in Drywall
The DIYNetwork.com has written and video instructions on how to fix cracks, holes and dents in drywall.
Z Tip: Have treasured items to display? Squared drywall wall niches paired with art lighting offer a unique way to present visitors with your most prized possessions. Project photo courtesy of Leslie Christian Designs http://www.lcinteriordesigns.com
Framed access panel
I don't have panelling, but this is a great tutorial to make it look like drywall.
Tips for Better Drywall Taping
The Best Paint Finish for Walls, Ceilings, Trims, Doors and More…
The best paint finish and sheen for drywall, trim, ceilings, walls, furniture, doors and brick by Kylie M Interiors