ArmA Cutscenes, Music and Custom Resources Tutorials (3)
A basic tutorial on creating an alpha channel (transparency) in an image using Photoshop.
Tutorial for sound editing, conversion and configuration within ArmA or OFP. It covers also radio chatting, trigger and enviromental sounds, and a brief description of sound/mouth synchronised speech.
This version includes the demo.
Pretty good and simple video tutorial for sound configuration, conversion and editing.