Update screenshots to use obfs4 bridges (instead of obfs3)
https://www.torproject.org/docs/bridges.html.en#UsingBridges
...then choose the transport type you want to use. obfs3 is currently the recommend type...
https://www.torproject.org/docs/bridges.html.en#UsingBridges
...then choose the transport type you want to use. obfs3 is currently the recommend type...