Ok, you need to limit your upload speed. If you don't it will swamp your connection and then you won't get anything.
Yep, set the listening port to that (or whatever you fancy) and make sure you have that port forwarded through your router/firewalls etc. You only need to specify one port for Az.
Az will announce it's presensc and the port it is using and then listen for responses on that port, let it worry about how - I don't think we really need to know
Not sure about the filesize thing, I wouldn't worry about it. I think that each torrent includes information about the size that the downloaded file
should be when it is complete. This information is probably available to windows somehow.
Ok, as for other settings.....
In Tools -> Options -> Transfer, set the first five items to: 25 | 0 | 4 | 102 | 256
In Tools -> Options -> Queue, set the first two items to: 2 | 3
According to Azureus that should be the best setup for your connection
You can test that you have your ports open correctly by stopping the torrents, closing and then reopening Az. Now go to Tools > Configuration Wizard.
Follow the wizard through until you come to the port test. If you test it and it comes back as OK then all is well and your ports are forwarded.
When you start the torrents it might take some time before you get green smileys, but you shoud get them eventually.
Your download speed is only as good as the upload speeds of the people you are connected to.
Limit the number of torrents that are going at any one time, doing this will ensure that your whole connection speed (up and down) is available to the torrent that you are downloading. You should get a better response and quicker downloads with this.
Torrents can be pretty hit and miss though, some come down lightening fast, some come down in dribs and drabs, some never come down at all.
Have a try with what I've suggested below and then post back if you get any more problems.
One more thing, go to Tools > Options > Plugins > IRC
Put a nickname in there and then hit save (bottom left).
Now (on the main toolbar) click Plugins > IRC, that takes you to the Az IRC chat channel, there's loads of knowledgeable people in there that can answer your questions a lot better than I can.
Oh, and I'm in there occasionally as well.
Have fun

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Zoombini:
I gotta go now, any prob's just post back - sure somebody can help.
Alternatively go across to the Az chat channel as described above and introduce yourself, there'll be someone there that can offer advice for sure.