Copy the Mr bloggs template and make sure you think about any areas where you feel the eco may think your case is weak. That or you feel you want to add some extra comments which might help your case.
The letter may get longer than you think but thats no problem if it puts all the facts. Makes sure you spell check and proof read and read. You dont want any mistakes which may make the ECO's job harder. As they may feel the need to call you in for interview.
The ECO is looking for the facts to support your case if you make sure they have everything to put the ticks in their check list they have an easier life
