As a retired truck driver who has trained others to drive tractor trailer,  I think the Lazydays Expert, Barney Alexander's Drivers Confidence Course webisode is one of the best  tools/aids out there for the new motorhome driver.
http://betterrving.com/rv-driver-confidence-course-part-1/.
Watch all 7 segments by clicking the above link.  Its free!!!:
Part 1: Adjusting Mirrors
Part 2: Your Front End Blind Spot
Part 3: Negotiating Curves
Part 4: Marking Your Back Tires
Part 5: Turning in Your Motorhome
Part 6: Your Rear View Monitor
Part 7: Backing into a Campsite
and read "How to Drive an RV with Dots".