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.
Dark wood floors can be incredibly chic and sophisticated, bringing richness and polish to a space. But when paired with the wrong furnishings and colors, those floors run the risk of making the space feel dark and heavy.
This is a nice-looking living room with smaller rug. Perhaps the key is to frame the rug with sofas / sofa and armchair combo / sofa and the window. And another trick is to fill up the room so the size doesn't look awkward.