Verification for quote

Can someone verify if this narration is true: > “Attack them [the Romans] so you can get the blond girls, so that Al- > Jed said, to him [to the prophet] “do not practice sexual temptation > on us”. The prophet said to the people, who is your leader, children > of Salama? They said, Al-Jed Ibn Qais. But he is cheap and coward. The > prophet said, and what is the solution for someone he is it cheap and > coward? From today, your leader is Bisher Ibn Al-Bar'a Ibn Ma'rror. Source is A'hkam Al-Qur’an, by Imam Al-Qur’tubi, print year 1999, Beirut Lebanon, Vol. 8, Chapter 9:49, pages 87, 88.