resourcen:

http://www.alistapart.com/articles/customcorners/
zb:
http://www.alistapart.com/d/customcorners/step6.html
http://www.vertexwerks.com/tests/sidebox/

http://weblogsinc.com/

hat auch runde eckerln

http://grassegger.at/

http://www.positioniseverything.net/