This is truly an adorable idea. I have lots of time before I do this one though. Haha.
How to make a furniture in rustic style with crackles | My desired home
galvanized pipe and old barn wood -- with your last name or a quote written on the wood
Handmade Reclaimed Wood Shoe Stand with Pipe Stand Legs by ReformedWood on Etsy https://www.etsy.com/listing/176430256/handmade-reclaimed-wood-shoe-stand-with
DIY pallet-shelves I don't know if I like the idea of using pallet wood but I do love the repurposed wood. This might look good if a French cleat was used to to install the wood to the wall.
For the wall space behind left speaker. G could make this from reclaimed wood. I think?
Beam Shelves Reclaimed Wood and Farm Metal by TheSteelFork on Etsy >> Oh these are awesome!
Vintage Pallet Wood Trunk/Chest | 101 Pallets: for David's things
Reclaimed Wood Furniture - Heritage Collection - Cupboard