Salah

Preference for appointing a Mu'adhin or Imam

What is the opinion on making congregational du'a after salah?

Is the hadith authentic that says those who start and finish the tarawih prayer behind the imam get the reward as though they prayed the whole night?

Is it true that if we pray in a room with pictures of people's faces (photograph or drawing) or toys with faces on display, our prayer isn't accepted?

What should someone expect when performing istikharah, for example to know if someone is best suited for them? Does constantly thinking of the person count as an answer, or is…

Is it true that if we pray in a room with pictures of people's faces (whether a photograph or a drawing) or toys that have faces on display, our prayer isn't accepted?