linksys wag354g setting up internet help please?

ih, newbie here, right i just bought the above modem/wireless device, i have tried to connect it up and it finds my adsl signal, but i just cant get it to find a internet page, what am i doing wrong ?, my isp is talktalk (please dont laugh im changing asap LOL), do you know what setting s i should be using, any help would be greatfull recieved, i can get it to work wired or wireless ??

[Scoobs]

Is it connecting to the net ?

If you log in and go to status it will show you if its connected or not.

The screen shot shows you the settings you will just need to put your username/ password in and click save.

help? i have set it up as instructed by disk but get this message

[jin799]

if ur with TT then why does it say BT on ur settings (from the picture )