Container gardening using DIY self-watering pots
Composting using a 5 gallon bucket. Love it!!
Bird condominium made with a 5 gallon bucket. You should start charging rent!
Japanese "kumihimo" braid weaving, using a 5-gallon bucket and circle knitter.
DIY 5 Gallon Bucket Emergency Kit http://fivegallonideas.com/emergency-kit/
5 gallon bucket planters made of pallet wood and Home Depot buckets.
Grow Tomatoes In 5 Gallon Buckets Next year I'll wrap my buckets in burlap it looks so much nicer than the unsightly blaze orange Home Depot buckets.
There's a book about them!
5 gallon bucket sink complete w/ sink, water reservoir, grey water reservoir and pump system!