Wait.. what??? I always see sheets that I wish were curtains because they're cheaper! Hot glue ribbon tabs to turn a bed sheet into a no-sew curtain. Genius! - Click image to find more DIY & Crafts Pinterest pins
Attach fabric along the bottom of curtains to turn basic panels into custom treatments. This is also a great idea if you have curtains that are too short for your windows. Add and overlap to create the right length.
Board games hanging on wall (no glass front in frame), baggie on back to hold pieces (screw eyelets in corners of board) and hang with ribbon - keeps games organized and looks great too. Playroom maybe?