AJDT Update Site
AJDT update sites are split by Eclipse versions and within that, there is one for the latest release, and another for development builds. The format is as follows:
AJDT release update site for Eclipse 3.4 (Ganymede):
AJDT development update site for Eclipse 3.4 (Ganymede):
Similar urls are used for the Galileo and Helios update sites. Simply change 34 with 35 or 36.