It's all a series:
http://www.newgrounds.com/portal/view/14 4731
http://www.newgrounds.com/portal/view/14 5040
http://www.newgrounds.com/portal/view/14 5163
http://www.newgrounds.com/portal/view/14 5375
http://www.newgrounds.com/portal/view/14 5560
http://www.newgrounds.com/portal/view/14 5714
http://www.newgrounds.com/portal/view/17 0547
http://www.newgrounds.com/portal/view/17 1147
http://www.newgrounds.com/portal/view/17 1233
http://www.newgrounds.com/portal/view/17 1605
http://www.newgrounds.com/portal/view/17 1977
http://www.newgrounds.com/portal/view/20 8429
http://www.newgrounds.com/portal/view/20 9227
http://www.newgrounds.com/portal/view/20 9584
http://www.newgrounds.com/portal/view/20 9863
http://www.newgrounds.com/portal/view/21 1022
http://www.newgrounds.com/portal/view/21 3653
http://www.newgrounds.com/portal/view/21 4216
http://www.newgrounds.com/portal/view/21 6378