http://www.alanwood.net/unicode/general_punctuation.html
http://www.alanwood.net/unicode/arrows.html
http://www.alanwood.net/unicode/miscellaneous_technical.html
http://www.alanwood.net/unicode/miscellaneous_symbols.html
http://www.alanwood.net/unicode/mathematical_operators.html
http://www.alanwood.net/unicode/dingbats.html

&#x26A0; - white warning sign (triangle with exclamation point inside)
&#x263A; - white smiling face
&#x261E; - white right pointing index
&#x261B; - black right pointing index
&#x2620; - skull and crossbones
&#x2611; - ballot box with checkmark
&#x2690; - white flag
&#x2691; - black flag
&#x235F; - APL circle star
&#x272A; - circled white star
&#x2234; - therefore (three dots in a triangle)
&#x203D; - interrobang
&#x275D; - heavy double turned left comma quotation mark ornament
&#x275E; - heavy double turned right comma quotation mark ornament

http://docs.python.org/dev/library/turtle.html
http://svn.python.org/projects/python/trunk/Demo/turtle/
