Douglas Adams' Hitchhiker series also shows the potential of lighter fantastic fiction. I read the first, and listened to a tape of a later one, and it's fun.
Piers AnthonyWhen I started writing this, I found that I simply couldn't take fantasy seriously, so it became humorous, and continued from there.
Piers AnthonyPolishing: a useful lesson for the hopeful writer. You say your tormented prose doesn't read as well as mine? Neither does mine, at first!
Piers Anthony