Here’s a favorite spot of mine where you can see, step-by-step, almost every embroidery stitch under the sun.
I don’t know the lady personally, but I sure admire her website. She’s obviously a talented fiber artist and an enthusiastic embroiderer. Her name is Sharon B (?), she’s located in Australia (a great place for embroidery enthusiasts), and her website can be found here. Check out her stitch dictionary – it’s the best I’ve ever seen online!