Counted Cross Stitch Technique: Loop knot or loop start - This is a really great way to start stitching without having to tie a knot (which is never recommended) or weaving the thread end under other stitches.
Scroll down for Pekinese Stitch :D The chinese knot is flatter than the French knot, more shapely, not so twisted. In Chinese embroideries it's seldom used as isolated stitch but generally massed together, often covering large areas.
Humming Needles: Stem Stitch Rose with Knotted Center - Tutorial -- lots of stitch tutes I tried this stitch for the first time, and it's trickier than it looks! But also very fun - worth practicing to get it right.