Choosing not to believe in a religion in any country in the western world in anytime period earlier then 1900 meant execution. Also Hitler makes it very clear that he believed in a god in his autobiography Mein Kampf.

The Ads are good, not because they're convincing but because they simply raise awareness.

The one with Hitler would have been really bad (aside from him being a pretty unclear case), but I guess it's okay if "Religion doesn't define character" is part of the same poster.
The one with the plane is kind of off. It's certainly true that a lot can be justified by interpreting religious texts, but the same can be said about other ideologies. Plus that act was viewed as extremism, and religious people are either going to ignore it as something they don't identify with, or if already holding such views, ignore it.

I like the "Faith gives no answers. It just stops questions." one best, because IMO that's the biggest problem with religion.

Does that thing really class as an autobiography. Id more call it the nazi bible and an ideological rant.

Either way it was written by him and arguments that he wasn't christian are only partially correct.  He was raised catholic, but he hated the church.  However he still clearly believed in the bible and thought he was doing what God wanted:

"Hence today I believe that I am acting in accordance with the will of the Almighty Creator: by defending myself against the Jew, I am fighting for the work of the Lord." -Hitler Mein Kampf

"My feelings as a Christian points me to my Lord and Savior as a fighter. It points me to the man who once in loneliness, surrounded by a few followers, recognized these Jews for what they were and summoned men to fight against them and who, God's truth! was greatest not as a sufferer but as a fighter. In boundless love as a Christian and as a man I read through the passage which tells us how the Lord at last rose in His might and seized the scourge to drive out of the Temple the brood of vipers and adders. How terrific was His fight for the world against the Jewish poison. To-day, after two thousand years, with deepest emotion I recognize more profoundly than ever before the fact that it was for this that He had to shed His blood upon the Cross. As a Christian I have no duty to allow myself to be cheated, but I have the duty to be a fighter for truth and justice... And if there is anything which could demonstrate that we are acting rightly it is the distress that daily grows. For as a Christian I have also a duty to my own people.

-Adolf Hitler, in a speech on 12 April 1922

Even today I am not ashamed to say that, overpowered by stormy enthusiasm, I fell down on my knees and thanked Heaven from an overflowing heart for granting me the good fortune of being permitted to live at this time.

- Adolf Hitler, Mein Kampf, Vol. 1 Chapter 5

There's a wealth of quotations straight from the man proclaiming that he believed his goal was in line with God.

I just had a huge post and told myself, "Why even fucking bother".

I'll just say this (and ignore the avatar, I lost a bet) I dunno why Atheist continue to attack religion. And at this point in my life, I really don't care anymore. But all these senseless attacks on religion (specifically Christianity) I see lately on the news, forums, billboards etc is really starting to disgust me.

And if you ask me, maybe if Atheist started spending less time and less money trying to piss off people's religions or God, maybe they wouldn't face so much prejudice.

Atheists faced prejudice before they were outspoken.  You don't tell black people that they wouldn't be prejudiced against if they didn't campaign for their rights do you?

59% of brazilians say they wouldn't vote on an atheist, by far more rejection than a homosexual or black person.

Some more data, it comes from Fundação Perseu Abramo with 2014 brazilians from all over the country:

Subjects were asked how they feel about a group, with answers being hate/repulse, antipaty, indifference, satisfaction/happiness and other.

Atheists got the worst of it, with 17% hate, 25% antipaty and only 3% likes. It's just about the same as drug addicts, who got 24% antipaty.

Following those two groups are male hookers at 10/16/3 (for the same answers as above) and transsexuals, at 9/14/5. Ex-convicts  are at 5/16/6.

Another questions was of these groups what are the first, second and third one that causes you the most disconfort seeing or meeting.

This time drug addicts got the worst of it, with 35%, followed by atheists 26% and ex-cons 21%. Transsexuals got only 9%.

Point is, the hate is pretty big around here. Not that I think these ads, the way they've been made, are going to help all that much.

You just had to quote the Bible and loose all credibility by throwing your religious beleifs in people's faces, right?

If what I did was throw my beliefs in people's faces, then what are the ads that the atheists are putting on the sides of busses? Do you condemn their tactics as throwing their beliefs in people's faces? Or are you joking as I would hope?

Well the purpose of those billboards is publicity, and there's nothing wrong with publicity. That's one situation where throwing your beleifs in other people's faces is acceptable. Doing it in any situation however is unacceptable. You threw that quote, suggesting that the Bible has some sort of authority and that we should listen to it, fact which I found insulting.