These old guides might give you some ideas:
[link=http://www.rpgexpert.com/1194.html]Guild Progression Part 1[/link]
[link=http://www.rpgexpert.com/1242.html]Guild Progression Part 2[/link]
[link=http://www.geocities.com/waldi_waldmeister/]Guide to ToV[/link]
[link=http://loralciriclig