The limitations of most types of forum software tends to make reading long passages something of a pain. That being said, your excellent content overcomes that short-coming quite nicely! I find your writing style to be very engaging and readable. Certainly, you add in a lot of imagery and detail, but I personally think that adds to the story. You still have ample dialogue and your characters are well developed and interesting.
My take? Don't change what you're doing! Write the way that's natural for you - it may not appeal to everyone, but ultimately (in my opinion), you are writing to please yourself.