for i in lista:
    self.i = i
    if coluna==3:
      linha+=1
      coluna=0
    framew=Frame(self.frame4, relief = RIDGE, borderwidth = '8')
    foto=PhotoImage(file=i)
    nomew = Button(framew,image=foto,font=('Calibri Light','12','bold'),bd='9',height=350,width=200)

    nomew.image=foto
    nomew.pack(side="left")
    framew.grid(row=linha, column=coluna)
    coluna+=1