Yes, Jim Henson had a favorite DISNEYLAND attraction! Considering how Mr. Henson loved bright, colorful things and entertaining children, it might come as no surprise that his favorite ride was it's a small world.
Jim loved the ride so much that he included a tribute to it in the Muppet Vision 3D film. The next time you're at Disney California Adventure or Disney's Hollywood Studios, pay close attention to Sam the Eagle's stirring tribute at the end of the film. At the very beginning of the musical number, muppetized versions of a few of the it's a small world dolls appear with the other Muppet performers.