I have three cameras out right now.
My best advice, get rid of those straps. Use hay wire if you have nothing else.
I use my own mounts. I build and sell trail camera mounts.
I treat each setup individually. Some I set high, as far up as I can reach comfortably. others are set low, below the normal line of vision.
The main thing about positioning is to think about where animals and camera thieves will be looking as they approach your setup. Do it right and they will never see it.
Here is one of my cameras I set out last week.
Do you see straps?
I checked them two days later. This is a local trail that a lot of hunters use daily during hunting season. I had a lot of photos of pickups, cars and SUVs, and one Moose.
This camera is faulty. It won't take burst shots properly so I set it to single shot and a 10 second delay.
My other two cameras are set to three shot bursts and a ten second delay.
For me the three second burst works well. I usually get a photo of the animal as it enters the cameras field of vision, one centered and one as it leaves the frame.
Running animals are usually caught with the third shot.
Like the guys said, aim north or north east as much as possible. Sun flair is a major issue if you aim south, east, or west.
I would add, if you can, set to one side of a trail, if you are setting on a trail. As much as possible, avoid putting the camera where it will be in line with the trail.
You want camera out of the line of vision as much as possible.
In the photos I just posted, I placed the camera to one side of that road and close to the ground.
In that situation the people driving past are looking down the road, looking for something moving, so they don't see the camera right in front of them.
Now if I hung that camera with straps I wouldn't dare place it there. It would be gone in a few hours.