Aidan,
While you are a professional and I am an amateur photographer, I still have to say that having not played any of those courses in the photos you posted, I can only imagine the slopes are more severe to play and to see in real life than what is immediately apparent in your photos.
Examples from your site of courses I HAVE played (sorry, I cannot post directly in the thread like you did, please feel free to add them if you'd like to discuss)
http://www.golfcoursephotography.com/results.asp?KW=Hunter//Ranch - This photo shows a gentle downhill par 3. In reality, this hole falls quite a bit more than the photo would indicate.
1st column, 2nd from the bottom - #18 pano
This one betrays the fact that the tee shot on 18 is significantly downhill, and the approach plays uphill. At a glance, the hole looks mostly flat.
http://www.golfcoursephotography.com/results.asp?KW=La//Purisima2nd Column, 4th down - taken from the 3rd green, the 4th hole looks almost flat in this photo, when in reality the tee shot falls maybe 50 feet, and then the approach climbs back up maybe 60 to the green. This photo in no way reflects the topography of that hole
2nd column, 2nd from the bottom - #3 green
As I said above, the third hole is significantly downhill - from this perspective, it looks like a gentle descent.
http://www.golfcoursephotography.com/results.asp?KW=Luana//Hills//GCThe photo of Luana Hills 11 here shows a slightly downhill hole - the truth is the hole tumbles down a pretty decent sized slope and dives to the green. Again, the photo doesn't show it.
http://www.golfcoursephotography.com/results.asp?KW=Cross//Creek2nd column, 2nd from the bottom - Cross Creek 17 - this hole is FAR more downhill than it appears here. It looks almost flat or even uphill here.
I am not trying to be contrarian here, and far be it from me to argue with a field professional, but by my eye these are just a few examples of where photos do NOT show the elevation changes as they really are.
I'm not saying you CAN'T show it - certainly as you've said you can sometimes capture more detail, but this calls for a few pre-qualifications - 1, the photographer is shooting with the sole intent to show them, and 2, the photographer is shooting in the first 2 hours after sunrise or the last 2 before sunset. 90% of the photos we see (and judge) are not taken under these pretenses.
If you disagree with me and my assessment of your photos, please post them and we can discuss it, but photos generally are a poor substitute for what you can see with your eyes and feel with your feet.