Looks like you unfortunately got off to a sticky start - don't worry, the folks here are very friendly and helpful, really. Stay with it and join the community.
Not much in the way of freeware A340-600s. I use the Flightcraft model, which I don't have any trouble with flying - what's your problem, exactly?
There's also a Simubuild model, but to me the engines look too big. Project Opensky don't have a -600, but the -200 and -300 are good models.
