DLL Inject

NtCreateThreadEx for Vista & Windwos7

http://securityxploded.com/ntcreatethreadex.php

method of DLL Injection

http://kuaaan.tistory.com/112

DLL Injection on Wow64

http://www.corsix.org/content/dll-injection-and-wow64

Example of using NtCreateThreadEx

http://noobys-journey.blogspot.kr/2010/11/injecting-shellcode-into-xpvista7.html