Which reference picture looks best?

[hider=V1]
[img]http://i204.photobucket.com/albums/bb320/prodigyduck/sahuagin.jpg[/img]
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[hider=V2]
[img]http://fc02.deviantart.net/fs28/i/2008/101/e/8/Away_from_the_Light_by_Waterbear.png[/img]
[/hider]

[hider=V3]
[img]http://fc02.deviantart.net/images/i/2003/46/d/1/Briarbree_Concept.jpg[/img]
[/hider]

[hider=V4]
[img]http://fc00.deviantart.net/fs70/f/2012/249/c/8/sahuagin_by_blade_fury-d5dqv8i.jpg[/img]
[/hider]