One can ignore the Old Testament in its entirety and still be a Christian who believes being gay is wrong - it is addressed, albeit briefly, in the New Testament.
Yeah, but they were straight people who god deliberately turned gay for committing the sin of idolatry, so being gay wasn't the sin but the punishment for having a great art collection.
"For although they knew God, they neither glorified him as God nor gave thanks to him, but their thinking became futile and their foolish hearts were darkened.
Although they claimed to be wise, they became fools and exchanged the glory of the immortal God for images made to look like a mortal human being and birds and animals and reptiles.
Therefore God gave them over in the sinful desires of their hearts to sexual impurity for the degrading of their bodies with one another.
They exchanged the truth about God for a lie, and worshiped and served created things rather than the Creator—who is forever praised. Amen.
Because of this, God gave them over to shameful lusts. Even their women exchanged natural sexual relations for unnatural ones.
In the same way the men also abandoned natural relations with women and were inflamed with lust for one another. Men committed shameful acts with other men, and received in themselves the due penalty for their error."
Alongside lechery with men and a few variations of murder, they also include all other types of lechery, along with lying, adultery and impiety.
Though this category in Corinthians is about who will not inherit the kingdom of god, and then in Timothy it is describing who the law is written for, so in either case it is not distinguishing categories of sins, but merely listing them.
Elsewhere in Paul, homosexuality is equated with the greedy, the sexually immoral, thieves, drunks, slanderers, idolators and swindlers, but makes no mention of murderers.
edit - the passage in Corinthians is also interesting as it is in the context of a wider passage banning recourse to civil law in secular courts between believers.
