Santa Monica-based JibJab, the venture-funded content startup known for its humorous online parodies, said today that it has teamed up with Verizon Wireless and John Landis to produce six online short comedy films. The firm said that the films, which are available on Verizon Wireless' V CAST services, feature up-and-coming sketch comedians. The comedy films will be available for free starting today to Verizon V Cast subscribers or at the firm's web site.