Make the camera lie to make somethings look bigger than like. The 5'6" syndrome can get boring. In the following photo the rider was definitely not higher that the tree. Maybe only half way up it but look:
The angle of the camera determines the composition along with lens used.
And this kid is not riding this way but with rapid frames you get the right one that makes him look like he is:
One more think before I have to go... Think about should this be a portrait (vertical) or landscape (standard horizontal shot). The less need to crop to get the right composition the better.