Blonde girl is Anna L. her thread: http://peachyforum.com/forums/thread/190316.aspx
Brunette girl is Nicole A a.f.a. she did only 2 appearances with MET during 2005 both together with Anna L. and never again since then.
Series called "Sentinels" http://hosted.met-art.com/generated_gallery/hosted/39732/tgp-33.html
Series called "Pravda": http://www.naked-elves.com/6/nicoleanna/index.html