Whenever loosers insult our holy prophet (pbuh), the feeling of anguish and pain is quite natural. but the question is how to counter it at individual level.
the answer is simple i.e., do the opposite. recite durood, highlight different aspects of his life that make him a towering figure even if a non-muslim reviews these aspects with open heart and mind. I would like you guys to quote various aspects, events from his life, tributes, expressions of love for him and show to the world at large that they are insulting the greatest benefactor of the mankind, mercy for all the worlds who stayed awake at nights in his sorrow for humanity, who expressed so much concern to save humanity that God in the heavens said: **
‘So haply thou wilt grieve thyself to death for sorrow after them if they believe not in this discourse.’ (18:7)
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I would like to start with quoting a very relevant incident
Asma bint Nauman was considered one of the most beautiful women of her time. On the wish of her father, the Holy Prophet (peace and blessings of Allah be on him) married her. When the Prophet went to her she said that she sought God’s refuge from him. The Prophet (peace and blessings of Allah be on him) replied, ‘You have sought the refuge of a very great sanctuary’ and left. He then said to one of his Companions to take her back to her family. History records that her family was very happy at this marriage and was upset with her when she returned. This was the great person about whom dreadful allegations are made about women. Who married his wives because it was God’s commandment.