Yeah - the online configurator never worked for me either.
Try manual confguration (again?) using this post as a guide.
http://community.48months.ie/t5/Need-Help/one-plus-one-mobile-data-settings/m-p/33610#M11885
Hope this helps.
Just follow the instructions here:
http://community.48months.ie/t5/Need-Help/Internet/m-p/34493#M12560
Hope this helps.
Did that help at all?