Nice, a very even coat. Great for regular boyz. Just some suggestion, some people don't like this, but I think you should take a look here:
http://www.miniwargaming.com/content/3OeWD3dwJhm0
There is also a Youtube video from Miniwargaming that shows how to make some great looking Orks that skin tones go from a sandy yellow to a dark greenish brown.