One Man's Trash Is Another Man's Art
A great artist should be able to create no matter what materials he has at hand, and since the cost of traditional materials like paint, marble and clay can add up quickly, it only makes sense that many artists have turned to a whole new source -- a trash bin.
If art is supposed to make you think, then these found object artists are certainly doing their job. After all, it's hard not to reconsider your definition of trash when you see something utterly amazing created from something that otherwise would have ended up at the local dump.
For a deeper look at found object art and the artists behind these creations, don't miss this great WebEcoist article.