Stupendous Software today announced an upgrade to its complete line of iMovie plug-ins, containing 254 effects, to work better with iMovie 3. The changes involve user interface elements that have been improved to work better with the new resolution of iMovie 3’s preview window. All 10 of Stupendous Software’s iMovie plug-in packs (US$25) have been upgraded, as has the complete Stupendous Bundle ($200), which contains all the iMovie plug-in packs at a 20% discount.