Blasters and Footlongs are among the best if I have to name some. Guess who created them.
But the thruth IMO is there is no better stretch period, just stretches that work good for you at a given angle or time, depending on your ligs or other limiting factors. If there was a best stretch period this site wouldn't exist.
Just do the [words=http://www.mattersofsize.com/forum/penis-enlargement-newbie-forum/1597-dlds-first-routine-i-gained-2-inches-with-this-routine-full-tutorial.html]newbie routine[/words] for a while, and maybe put some extra dedication on the lower angles.