George Carlin recommends praying to Joe Pesci.
"Two reasons: First of all, I think he's a good actor, okay? To me, that counts. Second, he looks like a guy who can get things done. Joe Pesci doesn't fuck around."
I don't know what all to advise though. Religion is often used as something of a security blanket - there's an all-knowing, all-loving entity out there, assuming you can put aside the fact that he'll also freely allow you or your family or friends abruptly die in any manner of ways.
We're here on Earth in a Universe that really doesn't care if we exist or not. Purpose in life? We're the ones who are alive, so it's up to us to choose to give it a purpose. As far as nature is concerned, your purpose is to perpetuate your species. If you want to do more than that, go for it. If you choose to be ethical, hey, great. There's no eternal carrot reward dangling in front of you though. Be nice, and maybe people will be nice back, if they so choose.
And of course if you want to be unethical about things, that's also your choice. Just know that society may not approve of it. But there's no eternal fire or anything awaiting you. You've got this shot at life, and then that's it. You return to the state of non-consciousness you enjoyed prior to birth. So it goes.
Maybe it's not as comforting and such, but...oh well. I don't find any comfort in a deity that claims to be all-knowing and all-benevolent, yet the world is the way it is, with the only excuse being, "Well your ancestors many thousands of generations ago screwed it up, so I'm punishing all of their descendents, forever."