Put masking tape on canvas in the design of your choice, spray paint a base color over the tape, use different acrylic colors (like $1.50 or less for a tube at Michael's or Hobby Lobby) and paint different strokes all over canvas. Wait till it dries, then remove tape and...wa la!
DIY Painted Sign Projects • Tutorials, including this "You & Me" painted sign by House of Hepworths!
Painted wood floor: fill in any large gouges or scrapes, and sand the entire floor lightly. you can use nearly any paint on the floor, but if you're concerned about it rubbing off with traffic, talk to the people in the paint store/department. you can also get clear acrylic sealer to paint over the floor once it's dried and once cured, it'll protect the paint job.
DIY Wall clock - but mounted on tree ring and with painted wooden letters. Now, does it come with a foghorn alarm that requires a sequence of numbers that rivals anything you've ever seen on Mission Impossible to shut it off? Cause she needs that!