 <img src="http://www.cs.cornell.edu/Info/People/wwlee/tfrog-paint.gif"><a href="http://www.cs.cornell.edu/Info/People/hejik/hejik.html">_Leap to a copy frog</a> <img src="http://www.cs.cornell.edu/Info/People/wwlee/skimaps.gif"><a href="http://www.cs.umd.edu/~regli/ski.html">Ski Server</a> <br>
