How do you add speakers to an iPod touch for both widescreen video viewing and standard horizontal audio purposes? Macally's FlexTune ($70) provides the answer: create a speaker dock with dual Dock Connector plugs, one vertical, one horizontal. The speakers stretch out to accommodate a widescreen iPod, or stay folded in to work with standard iPods and the touch in horizontal position. Packaged with a remote control, wall charger, and audio cable for…