Of course you’re trusting that I haven’t embedded some kind of nasty malware or anything, which I haven’t.
Realizing, but not admitting, how much people hated the new iMovie, there was a period when Apple would let you download the previous and now-abandoned iMovie HD, but it is no longer available from Apple, even on their Old Software List, so until I’m given a Take Down notice, I’m putting iMovie HD up for grabs here.
The later versions became more of a video manager (and not a good one), and a very rudimentary editor (and not a good one). At least that’s my opinion, and it’s shared by a few others. The last good version of Apple’s iMovie was version 6, later called iMovie HD. Jan 2015 update: Here’s a post about running iMovie HD in Yosemite.