The official trailer for FInal Fantasy III is hosted, for your viewing pleasure, over at Game Brink. The trailer is low on the gameplay footage, yet features some sweet CG footage of chocobos running along a cliff complete with airship emerging from the clouds. Of the gameplay footage that is shown, some interspersed segments of exploration, dialogue segments, and battle footage make up the majority of it. Also, the site has some footage from E3
you can check out.