I've only done CPE twice (and just sent in an entry for April, to go test out our new and improved contacts), so my memory may not be great. I know I saved my old course maps somewhere, but of course can't find them.
Wildcard - basically it is a normal course, except there are three places where there are two obstacles side-by-side. So, maybe a single jump, with a triple to the side of it. Or maybe a tunnel and a set of six weaves next to each other. The easier obstacle is marked with a one, the harder with a two. Depending on your level, you have to do a certain number of the "twos". So for level one, you have to pick one spot on the course where you think you can get your dog to do the harder obstacle; the rest of the time, you do the easier one. As you move up the levels, you have to take the harder choice more often.
Full House - You make up your own course. There is a required number of points you need to get. Each obstacle is awarded either 1 (single jumps), 3 (tunnels, chutes, tires), or 5 (contact obstacles, weaves, broad, double, or triple jumps) points. When you design your course, you need to make sure that not only do you set it up to get yourself enough points to qualify for your level, but you also need to get a "full house", which means you MUST include 3 1-pointers, 2 3-pointers, and 1 5-pointer. So, if you are an idiot like myself, it doesn't matter if you get tons of points, if you forget that you have to do at least three single jumps (which is why we are still in level one of that darn game).
Do those sort of make sense? I'm telling you, snooker seems easy to understand to me! These games always confuse me!