Not bad for a start! IR can be a lot of fun... but challenging with the K10D.
Here is a link that can really help you get more out of this photo... and many more. It's a step by step video and takes a minute to load, but this guy really will get you started in the right direction.
Thanks Dave. It's been fun trying to figure it out so far - hopefully I'll get a chance to put that tutorial that Gary posted to good use in the next day or so