Well, I tried again, this time with #10 crochet thread and a slightly different pattern. It's still found here, but it's pattern #2 instead of #1.
Here are the results:
It's about 2 inches tall.
And another angle:
No face this time. I forgot to do one until it was too late.
It is clearly not as rounded as the original maker's was, but I think it still turned out decent. I'm not sure how she got the dirt to stay down though. I guess I'll just have to practice some more. :)