Drawing your own line, expressing your creativity on a wave is what the MS Flow model was designed for.  Here is what the man himself has to say:

"When I was designing this board I wanted to bring some old school Flow back into the range, with this template combined with modern materials you will love the seamless transitions from rail to rail " ~MS~

Specs: 

• Core: 1.5PP Kinetic Polypro Core (PP)
• Deck:Wavecushion Air 8lb PE Deck
• Stringer: 1x Stringer
• Slick: Surlyn Slick Skin
• Channels: MS Vent
• Tail: Crescent

Additional Features:

• 55/45 Double Rail
• Nose Bulbs
• Slick Mesh
• Thumb Bar
• Thumb Ridge
• Nose Bulbs
• Tail Piece