While overall media ad spending for the first 3 quarters of ’07 decreased 0.1% over the same period last year, national cable ad spending actually increased 1.2%, according to Nielsen Monitor-Plus. However, the number of product placements on cable declined during the period. The top 10 shows featured 136,078 occurrences vs 160,118 for the same time last year. Discovery’s “American Chopper” is the #1 cable show in terms of product placements (41,657 occurrences). 2nd place finisher, A&E’s “Dog the Bounty Hunter,” came nowhere close (19,179). — Kmart is deploying dynamically customized ads on TV Land and Nick at Nite through the use of Visible World’s technology. The retailer can respond to business conditions by making real-time changes regarding which ads will be featured.