I have been reading a lot of design blogs that highlight a lot of DIY articles.  One of my favorite sites:  ApartmentTherapy.com posted a great repurpose today for a kitchen cabinet door:

The combination of colors, design, hardware, and size are completely limitless.  I’m sure you can find salvaged doors at just about any restoration store.
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Check out a great article from ApartmentTherapy.com on 10 Common Thift Store Finds.
This is a great article to figure out what to look for at a thift store, but it also supplies great links on how to use (or display) your “finds”.
Here are a couple of the pictures from links within the article:
How to Hang [...]

I’m in love with the use of varying sizes of ceiling medallions as wall art.   You can purchase medallions here for a pretty reasonable price.  I’d love to see pictures of how you incorporate these into your design!