See After Effects For Flash - Flash For After Effects textbook - Part IV: Enhancing Video with Flash
Skinning the video - pages 281-282 The After Effects Render Queue - pages 289-292
Adding Simple Interactivity with Buttons - pages 300-306 Adding Play and Pause Buttons - pages 300-301 Adding Instance Names - pages 301-301 Coding the Pause Button - pages 302-303 What Does the Code Mean? - pages 304-305 Coding the Play Button - pages 305-306 Advanced Interactivity - pages 306-314 Adding Invisible Buttons - pages 306-309 The Code - pages 309-311 Making the Code More Universal - pages 311-312 Coding the Other Buttons - pages 312-314
Creating Captioned Video - pages 326-334 Display Captions with ActionScript - pages 326-327 Creating a Timed-Text XML File - pages 328-329 FLVPlaybackCaptioning Component - pages 329-331 Changing the Look of Caption Text - pages 331-332 Using Your Own Text Field to Display Caption Text - pages 332-334