With the Fusion all I used to do was go straight down but that never got very close or anything...
So maybe try one pass straight down and the next from the edge of the lips towards the nose.
Be careful with the Fusion though, very easy to cut your lips I find...
Also, welcome to B&B.
[B]Razors:[/B] Merkur Progress, Merkur 39C Slant
[B]Creams:[/B] Art of Shaving Lavender, Kent Menthol Shaving, For Men, The Real Shaving Co. Menthol
[B]Soap:[/B] Taylor of Old Bond Street Sandalwood
[B]Brushes:[/B] Taylor of Old Bond Street Super Badger, Taylor of Old Bond Street Pure Badger
[B]Blades:[/B] Gillette 7 O'Clock Super Stainless, Feathers
[B]Aftershave:[/B] Proraso Balm, Old Spice Whitewater, Ice Rock, Lagoon Spray