We all need a little reminder about various WordPress tags and functions when coding our templates, if you don't want to keep refering to the Codex all the time, then a Cheat Sheet can really come in handy. In this post I have rounded up as many examples as I could find - hopefully they will come in handy for you.
WordPress Cheat Sheet
The WordPress Help Sheet (multi-languages available)
WP Help Sheet
WordPress Theme Development Checklist
WordPress Template Tag Reference Guide
WordPress 3.0 Cheat Sheet