1.
http://www.texasbeyondhistory.net/coast/nature/images/VT1-asph-sm.jpg
http://openclipart.org/cchost/people/Andy/Andy_Tools_Hammer_Spanner.png

2.
http://pangea.tec.selu.edu/~vmartinez/ETEC644/fire_clipart%5B1%5D.gif
http://www.clipartguide.com/_small/1386-0810-1611-4709.jpg

3.
http://www.gtj.org.uk/storage/components/batch_2067/GTJ03662_2.jpg
http://static.squidoo.com/resize/squidoo_images/-1/lens5901892_1247612515tombstone-clipart.gif

4.
http://www.kolumbus.fi/bjorn.corander/bilder/samojedkota.jpg
http://www.blogger.com/post-create.g?blogID=8871691886088625009

5.
http://www.eyesclosed.org/img/hires/cave_painting_l.jpg
http://artsytime.com/img/artwork/leonid-afremov-oil-paintings/leonid-afremov-oil-paintings10.jpg

6.
http://geologyonline.museum.state.il.us/geogallery/media/images/small/300343.jpg
http://www.campingwomen.org/BorderImages/tent.gif

7.
http://explorepahistory.com/images/ExplorePAHistory-a0h7c9-a_349.jpg
http://www.taylormadeproductions.com/oldman.jpg

8.
http://blogs.houstonpress.com/rocks/cow_rock_art.jpg
http://swifttaxi.files.wordpress.com/2009/05/mount-rushmore.jpg

9.
http://www.larchambault.com/gathering.jpg
http://wwwdelivery.superstock.com/WI/223/1538/PreviewComp/SuperStock_1538R-54790.jpg

10.
http://www.tabney.com/files/clipart/cave.jpg
http://www.clipartheaven.com/clipart/real_estate/house_-_bungalow.gif

11.
http://www.hartzler.org/cc307/mycenaean/images/13.jpg
http://www.kilnworkspotteryvi.com/images/daylightbirds.jpg