Below are some of the preferences I set when configuring Eclipse/MyEclipse.
General > Startup and Shutdown
Disable all Genuitec plugins except Tomcat 5
MyEclipse > Application Server
Enable Tomcat 5
MyEclipse > Database Explorer > Drivers
Settings:
Name = MySQL Connector/J Driver
Example URL = jdbc:mysql://<hostname>[<:3306>]/<dbname>
Driver Class Name = com.mysql.jdbc.Driver
Driver Library = /Users/arwhyte/aw_apps/mysql_connector/mysql-connector-java-3.1.10/mysql-connector-java-3.1.10-bin.jar