I found this interesting page, listing different viewpoints of sexual orientation, different types of therapies, and other information. The group itself is made up of representatives from different religious affiliations (agnostic, athiest, Christian, Wiccan, and Zen Buddist ) and the site itself is also very interesting.
They list the two main types of therapy aimed at homosexuals as:
Mental health therapies directed at homosexuals:
The two main types of therapy or counseling directed at gays and lesbians -- and to a lesser degree, bisexuals:
Gay Affirmative Therapy (GAT) directed at helping gays and lesbians become content with their sexual orientation; we will only discuss this briefly.
Reparative therapy (a.k.a. Conversion Therapy) or Transformational Ministry programs often imply that they can change a gay's or lesbian's sexual orientation. However, their programs are actually directed at changing clients' sexual behavior. Almost all of the essays in this section discuss these two programs.
Check it out!
Sue