help sex these Highlands

I'm afraid I have no experience in sexing auratus :eek: so any help would be much appreciated :D I have 4 and am posting two pics of each frog I tried to get front toe pads and a view of the back.

Attached Images

	2013 09 12 002 hb 1.jpg (55.4 KB)
	2013 09 12 003 hb 1-2.jpg (86.3 KB)
	2013 09 12 006 hb 2.jpg (81.4 KB)
	2013 09 12 008 hb 2-2.jpg (94.1 KB)
	2013 09 12 009 hb 3.jpg (93.3 KB)
	2013 09 12 011 hb3-2.jpg (95.8 KB)
	2013 09 12 016 hb 4.jpg (53.2 KB)
	2013 09 12 017 hb4-2.jpg (91.6 KB)