Amazon has added another benefit to customers who sign up for its Prime shipping service. In a deal with Viacom, Amazon Prime members will be able to stream TV shows from MTV, Comedy Central, Nickelodeon, TV Land, Spike, VH1, BET, CMT and Logo. The deal will bring the total number of Prime Instant Videos to more than 15,000, which can be downloaded on a wide range of devices including the Kindle Fire. Among the other Prime benefits is the Kindle Owners’ Lending Library that has over 80,000 e-books that Prime members can receive for free.