It's right because you have the right to practice homosexuality.

However, it is also unnatural in its unusualness just as you could say having "green eyes and red hair" is unnatural because of how uncommon it is.

Rate of occurrence does not equate to unnaturalness. You could say that it's uncommon, but not that it's unnatural, because as you yourself said, genetics has been touted to play a large role.

Nature has no intentions, we are personally responsible for our moral values. Man is the master of nature and molds it according to his own shifting self-interest. Hence, he promotes or hinders natural occurrences as he sees fit and constantly uses one law of nature to defy another.
Any use of the human body is as "natural"or "unnatural" as the other. "Nature" does not determine how the human body is to be used, but always the human will. Plus, the ability to modify and improve upon nature is part of the very human condition. "Nature" did not intend people to fly and so did not provide them with wings. However, very "naturally" they beat their "natural" disadvantage and invented the montgolfier, airplane, etc.
Man alone determines what's natural for him, and he alone decides his code of moral conduct. He then projects these moral values into the natural world around him which has no -inherent- morality of its own. Nature as such is value-free. It has no favouritism, no direction, no ultimate goal.

Why do you care if someone is homosexual? People should just mind their own business and let the others do what they want. As long as it's not breaking a law.

As long as it's not breaking a law.

it IS illegal in some places you know. what when it is breaking the law? the law isnt always what protects people

There is a very clear distinction between legality and justice/fairness; what is just is not always written in law, and what is written in law is not always just. Simply put, law and morality do not always coincide.
Thus, the people (in most Democratic countries) have the right to challenge any law that will limit any of their rights.

The Law like pretty much everything should not be followed blindly. The Law is not supposed to be taken at face value.
Anyway, to paraphrase Dickens, some times the law is an idiot.

I there should be homosexual marriages. It's just two people getting married. What's the big deal!? Come on! They're just people! Would you like to be forced to not marry anyone?

it IS illegal in some places you know. what when it is breaking the law? the law isnt always what protects people

I know, but there are only a handful of those places.

and in those places people like that suffer. all i said is that the law isnt always protecting people and cause justice. i mean hey, not being able to marry still exists (and hopefully wont in the future) in us and remember the dont ask dont tell (cant remember the actual name) policy?

Is homosexuality right or wrong?

Define right or wrong