WASHINGTON (MarketWatch) - Media stocks ended the last day of 2005 trading pretty much flat as shares of all the big conglomerates stalled. NWSNWS16.61, -0.06, -0.4%) , Disney (DIS: Walt Disney Company (The) (Holding Company) News, chart, profile Last: 23.97-0.20-0.83% DISDIS23.97, -0.20, -0.8%) and Time Warner (TWX: time warner inc com News, chart, profile Last: 17.44-0.04-0.23% TWXTWX17.44, -0.04, -0.2%) ended down less than 1%, while Viacom (VIA: viacom inc cl a News, chart, profile Last: 32.76+0.34+1.05% VIAVIA32.76, +0.34, +1.0%) was up slightly. The four will end the year lower than where they started it. Time Warner is down 10.3% over...