No need for manual port redirection.
1.- Delete all those dst-nats
2.- IP > uPnP
– Show Dummy Rule
Click on [Interfaces] button.
Add ether1 as External
Add your LAN bridge as Internal
Enable uPnP on your torrent/skype/whatever client, close it and re-launch.
Look at IP > Firewall > Nat, you should see the “mappings” being created dynamically