I've been to one park more than WDW, and that's Hershey. While my sister-in-law helps my pregnant wife get our nursery together next Thursday (June 26), I'll be taking my two nieces there.
Tips? Hershey during the summer is usually like MK on Saturdays. I've never even THOUGHT about a touring plan for Hershey (we just do it), but come to think of it, it's similar to MK in the following respects:
Hit the big rides early. Everyone for some reason goes crashing at entry into Chocolate World, the small, free ride next door to the park (a must do, but later). This makes the first hour the best time to hit the SuperDooper, and some of the new rides back past the water-rides.
Forget about stay-dry water-ride strategy. Come in a pair of swim trunks. You will get wet on Hershey water rides.
Like Disney's dark rides, Zoo America is a great place to get out of the heat.
While you can't "nap," we always take a break around 1:30. We take a picinic lunch, which you can do in the parking area (GET YOUR HAND STAMPED OR YOU WILL NOT BE RE-ADMITTED). We then head over to ZooAmerica.
Don't pay list for tickets. If you're coming in the night before, you can get a "preview pass" two hours before the park closes. Example, if the park closes at 10 PM, check into your hotel, then come to Hershey just before eight. Buy tomorrow's tickets, you'll get the rest of the night free.
OR
Find a Giant Food Market (they're all over the place in South Central PA). They almost always have $7 off an adult ticket, $5 off a childs.
OR
Eat lunch at McDonald's. Most Central and South Central PA Mickey D's right now have ther same $7/$5 off coupon on the bags they put your food in.
Before you leave, hit the chocolate store in Chocolate World. Get your chocolate for the next year (it freezes). They have GREAT deals. Many times, they have a featured bar at 4 for a dollar. When Amy got pregnant, we dropped by on the way home from Easter Dinner and bought a three pound bag of mixed. Great stuff to have around a pregnant woman!
Pat