Is it permissible to display logos or names of commercial or charitable activities or Hajj campaigns at the bottom of promotional posters in mosques, whether facing the Qibla or not, and during prayer times or after?

Advertisements permitted to be placed in the mosque should not be put in the direction of the qiblah, so as not to distract those praying. The same applies to what Imam Malik said: no writing or advertisement that distracts those praying should be placed.