Nice wood- if I may give my thoughts about it...
The top wood piece with the jut sticking up in the direct middle of the tank is visually distracting because it is in the middle of the tank. It is generally more visually appealing if focal points/wood/rock are placed in the tank on the third lines. In other woods, a little to the left or right of the middle, and preferably not stopping in the middle of the tank's heighth, but rather a little about or below. The height looks fine from what I can see- and the wood pieces are very nice and dark! (due to moisture? either way the color is sweet.)
What kind of plant is the one with the red flowers? Was it blooming when you first put it in the tank, is it established? Flowers resemble red honeysuckle, but the leaves reject that theory...
I like the small fern planted in front of the wood- a few more would be nice to see

Also, the background leaves something to be desired. I would suggest a few more big ferns behind the wood moving to the right side of the viv. You wouldn't have to plant any in the back right corner if not desired- just adding a few more next to the one in the back left corner and letting them creep into the middle area would add to it.
I don't want to come across as being rude, by all means that is not my intentions! I enjoy learning others opinions about my stuff that way I can improve it. I've never put my aquaria or fish in shows, but that doesn't mean that I don't try to emulate their ideas and judging.
oh- and is that creeping fig in the foreground?