Even if you've upholstered chairs before, this will teach you the proper way. Especially helpful on corners.
Glue fake flowers to the bottom of a tall vase (or to stones you could drop in), fill with water, and top with a floating candle. Gorgeous and you could use any color to fit the room you put it in :)
Find a poster big enough & mod podge to front of cabinet. Exacto knife to slit around the drawers & some gentle sanding on all the edges to take off the extra paper.
Great way to transform some Goodwill lamps: Krylons Looking Glass spray paint, which dries into a mirror-like finish. Pottery Barn Hack