Go directly to ACDS's website to download the latest version of Chemsketch Freeware on your home computer.
The program itself has an extensive and well written set of tutorials. Click here to access a simple tutorial that covers most of what was presented in this workshop. It is in PDF format.
Click here for a collection of organic structures that you can use as a source for practice, in case you can't decide today what to draw! :) It is in PDF format.
If you want more 'fun' practice, visit this website. It includes names and structures of 'silly' organic molecules. This site can also serve as a source of funny material for your science courses. Warning: not all material in this website is suitable for classroom use!