What should a person do if it is too hard for him when the imam prostrates for a long time?

How should they deal with an imam who disobeys Allaah in the mosque? What is the ruling on their praying behind him?

Should he pray behind one who did not wash his hands again when he washed his arms in udu?

Did it ever happen that the Prophet (peace and blessings of Allaah be upon him) started to pray when he was junub by mistake?

When is it prescribed for the person praying behind the imam to say the Taslim to his right?

Ruling on praying behind one who claims to read palms and coffee cups

Can he be alone with a woman to lead her in prayer?

Ruling on praying behind someone who smokes

Praying behind a sufi imam

Appointing someone else to take over as imam during the prayer