1. The Form of the Embryo and Fetus 
2. The Face, Neck and Oral Cavity
3. Development and Anomalies of the Aortic Arch

The Visible Embryo. Mouse Works. Individual embryos each accompanied by a summary of morphological changes up to 12weeks of age. http://www.visembryo.com/baby/index.html

Morphing Embryos (human). Nova Online. An animationof embryonic development helps visualize major changes in the form of the body as the embryo and fetus grow in the womb. http://www.pbs.org/wgbh/nova/odyssey/clips/

The Visible Embryo. Mouse Works. Stages 11 (1^st and 2^nd pharyngeal  arches), 12 (3 arches), 14 (1^st and 2^nd arches, hyomandibular cleft, 3^rd and probably 4^th arches, and cervical sinus), 16 (maxillary process, 1^st and 2^nd arches, nasolacrimal groove, nasal pit) and 22 (upper lip complete) illustrate external appearance of the arches. http://www.visembryo.com/baby/index.html

Development of the Face. The University of Manchester. Animations illustrate formation of the face from 5 structures between embryonic weeks 4 and 5.
http://www.biomed2.man.ac.uk/ugrad/ambi/embryol.html

Facial Embyology. Vesalius Studio. Drawings illustrate face development. 
http://www.vesalius.com/graphics/cf_storyboards/embryo/cfsb_emb_face1.asp

Fetal face, http://www.obgyn.net/us/us_images/obgynimages/0801vsb.htm
Embryonic mouth, http://www.fetal.com/mouth.htm

Images: Bilateral cleft lip, http://www-medlib.med.utah.edu/WebPath/PEDHTML/PED001.html
Images:  Complete bilateral cleft lip and palate: http://www- medlib.med.utah.edu/WebPath/PEDHTML/PED003.html
Images: CLEFT PALATE / LIP REPAIR Wide Smiles Photo Gallery. A treasure chest of family photographs of cleft lip and palate before and after repair. http://www.widesmiles.org/gallery/cross.htm#type