Most of you probably already know this, but I just happened on this tip tonight, thought I'd share...
I wanted to select about 3 seconds of an AVI file I downloaded. Normally I would put the clip in the trimmer and try to get the little 3 seconds I need from that.
But instead I clicked on the timeline near where the clip should start. I then arrow-keyed over to where it should be exactly.
Then I hold shift and right-arrow until it's selected (which is so small it barely shows up).
Then use the Ctrl+C to copy, move to an empty timeline and do a Ctrl+V to paste.
Done.
I know those command are normal Windows shortcuts, but I didn't realize until now that holding shift and arrowing over worked on this timeline.
Edit: and I know you can mouse-wheel the scene to stretch it out, which makes it easy too.