A dream of riding in a blimp means simple wish fulfillment or it could be implying your excitement to recent experience such as once-in-a-lifetime occurrence in waking life.
Dreaming of a blimp with an odd advertisement serves as a reminder of a time you were recently proven wrong.
Dreaming of a blimp crashing represents being completely caught off guard in waking life, and this type of dream may serve as a reminder or a warning that you know deep down something of this nature is coming.