In this photo, from Linday and Kristen Buckingham's home, their son Will's bedroom is decorated with custom bedding, a vintage Union Jack flag, and neat rows of framed artwork.
The artwork, though, isn't from any expensive gallery. Instead, they're pages from a vintage children's book. I've actually done this at my own home, with pages from one of my favorite children's books, Album of Horses. If you're unwilling to tear pages from a favorite book, consider looking for it on eBay. I've found pages from books there for minimal expense. You can also search garage sales or thrift stores for worn-out books whose artwork is still intact.