Config tab > Rip tab > Ripper tab

Rip file format: /path/to/your/music/%A_-_%d_-_%t_-_%n.wav

Config tab > Encode tab > Encoder tab

Encoder: oggenc
Encode file format: /path/to/your/music/%A_-_%d_-_%t_-_%n.ogg

Key:

%A = artist's name
%d = disc name
%t = track number, zero-filled (02, 03, etc.)
%n = track name