Take something you really love, a letter, envelope, photograph, a ticket stub. anything - to a printing place like Kinkos and have them blow it up for you to hang as art. An old recipe from my Grandma would be great for the kitchen.
Chevron wall pattern made of wood strips. This could be a good project if you wanted to use reclaimed wood that would otherwise be thrown out. Such a cool idea for the headboard as well to add graphic texture