@MrMazda Thanks.
I believe my port forwarding settings are correct now. Since I moved to a VPN that supports it, I've seen a dramatic and continued upsurge in how many torrents I'm seeding. Most of the time, I'm at my maximum upload speed, and there are a few torrents I'm seeding where a sole leecher had been trying for ages, and soon after setting up port forwarding, these completed.
Having said all that, I'll take a look at it again, especially my router settings, as I don't recall having to do anything with them. There may be some additional tweaks I can make to improve things even further.
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