Have you tried doing a braid-out with medium to large sized braids? That might loosen your curls up a bit. Also, if you could post a pic of your hair (you can hide your face to keep it anonymous, if you like) so we can see the difference between it and the girl in those pics, people might be able to provide you with more advice.
Medium/coarse, low porosity, dense, mix of 3s
CG (again) since Nov. 2012

Cleanse: SM Moisture Retention, Elucence MBC, KC Come Clean
Condish: Giovanni DL, Cure Care, Ion Treatment, GVP Balm, AOHR
Stylers: KCCC, SM Souffle, AOMM, SS CEJ, JCRR, JCCC

Trying out steaming!