Thank you for your reply, over the weekend I was able to make some progress (though I did try your first suggestion as I'm using the plugin, but it didn't work).

So my first problem was that I couldn't see my footage in the Octane live viewer, but now I got it. Instead my problem is when I move ...

I need just a bit of help importing an image sequence (tif images), I'm trying to composite a 3D element on to some footage I filmed, I was able to put the image sequence onto an Octane Material then I put it on a plane (texture on diffusion) and got it to show up in the Octane live viewer. I'm ...