I have (finally) released another Hibernator and it includes some fixes which make it heaps more usable and stable.
Changes
* 0.9.6
    - added cut/copy/paste/select all to query view
    - added ID to results view
    - progress monitor to connect and query
    - upgraded to Hibernate 2.0.3
    - added log4j.jar into the plugin
    - Fixed Log to accept logging before being displayed
    - Fixed Clear Log image
    - Changed from default Eclipse logo to Hibernate logo
    - bring results view in focus on query
Release Notes
*** Hibernator - Hibernate plugin for Eclipse ***
Provides an Eclipse to common Hibernate tasks such as Creating / Updating a Database Schema, running Hibernate queries and creating simple Hibernate Mapping documents
Note this plugin will only work with Eclipse 2 (WSAD 5) and above. Queries and Schema features are Hibernate2 only
* Installation
- Unzip hibernator-0.9.x.zip into
- Restart Eclipse
- If you downloaded hibernator-0.9.x-nolibs.zip then you will need to add the following .jars that come with Hibernate
    - xml-apis.jar
    - xerces.jar   
    - commons-beanutils.jar
    - commons-collections.jar
    - commons-lang.jar
    - commons-logging.jar
    - dom4j.jar
    - hibernate2.jar
    - odmg.jar
    - cglib-asm.jar
    - log4j.jar   
* Connecting to a Database
- Open Hibernate Perspective
- Right click in connection view and select "Add"
- Select one or more projects from the list (All *.hbm.xml documents in the selected projects are Configured into Hibernate)
- Click next and enter the Database details (I will change this so you can select a hibernate.properties file instead)
- Click finish
- Click on the Hibernate Log View
- Select and right click on the new connection. Click on "Connect!"
- Confirm the mappings and connection are ok in the Log View
- Simply hit "Connect!" on any other connections to prepare them for Query or Schema Update/Create
* Running a query
- Make sure you have created and connected to a database as above
- Type your query into the "Query View" and hit "Execute"
- Not the table of results in the "Results View" or any errors in the "Log View"
* Updating / Creating Schema
- Make sure you have created and connected to a database as above
- Click on Create or Update Schema in the "Query View"
- Note the results in the "Log View"
* Creating a simple mapping document
- Go to menu Window->Show View->Other and select Hibernator
- Open up some Java source and the plugin will either display the mapping file .hbm.xml or a generated version
- To save the contents of the mapping file right click in the window and select "Save"
 
Report any bugs / Submit patches to - 
http://sourceforge.net/projects/hibernator