MacSpeech announced the immediate availability of its new ScriptPak for iMovie HD on Wednesday. The ScriptPak adds over 75 voice commands to iListen 1.6.5 and higher for controlling iMovie HD. The commands let you speak to your Mac to crop clips, split tracks, move the playhead, and more. The ScriptPak for iMovie HD is available for download at the MacSpeech Web site, and is priced at US$10.