I improved the look of the drawers in my new desk. On my way home from work I stopped at my local DIY store and brought a piece of wallpaper that I liked home. They give you pieces for free to let you check if it looks good on your wall or matches whatever you already have in the room.
I measured the drawers, cut the paper to match and ... finished. ;)
Nice, and every time I open the drawers now it makes me smile. ;)