You’ll find images and background information at these sites:

www.care.org/vft/nepal/photoalbum9.asp

www.canr.msu.edu/vanburen/India/images/hillfar3.jpg

www.newfarm.org/columns/Jason/2003/0503/himalayas/index.shtml

http://en.wikipedia.org/wiki/Nepal

www.unescap.org/DRPAD/VC/conference/bg_np_17_wmt.htm

http://lcweb2.loc.gov/frd/cs/nptoc.html

Clay is heavy as in dry wall compound spackle is the lightest and easiest to work with.

…………….Good photo of Terraces

http://www.myphotographs.net/nepal/picture2.html

http://www.myphotographs.net/nepal/picture3.html

……………Main Page of photos

http://www.myphotographs.net/nepal/nepal.html

These should help with ideas:

http://uk.search.yahoo.com/search/images/view?back=http%3A%2F%2Fuk.search.yahoo.com%2Fsearch%2Fimages%3Fei%3DUTF-8%26fr%3Dytff4-%26p%3DNepal%2520terrace%2520farming%26fr2%3Dtab-web&w=640&h=480&imgurl=www.canr.msu.edu%2Fvanburen%2FIndia%2Fimages%2Fpockfar4.jpg&rurl=http%3A%2F%2Fwww.canr.msu.edu%2Fvanburen%2FIndia%2Fnepal.htm&size=61.5kB&name=pockfar4.jpg&p=Nepal+terrace+farming&type=jpeg&no=2&tt=7&oid=cea3512698841dac&ei=UTF-8