I know this answer will be deleted, but, even if for a lot of Muslims an homosexual intercourse is prohibited, others think it's not.
In the history of Sodom and Lut the population was not punished because of homosexual behavior, but because of many other things, like inhospitality, and rudeness. As many have done, you can read between the lies also the presence of homosexuality, but you have to nit-pick.
Don't be afraid, God will forgive you. Actually there is nothing to forgive, I read all the Quu'ran and I coudn't find something really against homosexuality. So Just be yourself. As you can see, many read the quu'ran with their Point of view, and try to impose it on others too. Many Muslims are doing bad things, and they state that Islams says to do so. that's their pov, so why ant we have our own? It's just have to have the purpose of doing good thing, be a good person and help others, That's how it should be. Yes, I'm muslim.