First I created images of an oxygen tank, a loaf of bread and some water bottles for the sequence "from the people who brought you sliced bread and bottled water, it's Oh!Tu."
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I used a drybrush technique to make the rays of light radiating from the objects, but used black paint, then inverted it and set them on a separate Photoshop layer on the "lighten" setting, at roughly 80% transparency. I also added additional beams of light in photoshop for the O2 cannister.
here is another little bit i worked on today:
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Next I animated the tree bags opening and closing every 12-ish frames. The final drawings were done in charcoal then inverted and set to "lighten" in photoshop. Of course, by "animate," in this case i mean I drew three different frames: two extremes, & one in-between. It sound cheap, but the actions are very quick, and if you take a peak at my test video, you'll see it works well.