VM Image Related Techniques

1. http://vmtoolkit.com/

VHD Resizer
VMDK2VHD

It seems that it is not updated for around 3 years

The author also has a blog about VM related tools.

One interesting post: The commodity of virtualization tools
http://vmtoolkit.com/blogs/paul/archive/2006/11/15/the-commodity-of-virtualization-tools.aspx

2. Virtual Disk Images

2.1 Some useful links
http://en.wikipedia.org/wiki/Virtual_disk_image (there is one section named "Offline Virtual Image Operations and Tools", the table has very comprehensive information listed)

3. NCSU library resources

Pro Hyper-V: http://www2.lib.ncsu.edu/catalog/record/NCSU2229895

4. Microsoft Virtualization

http://www.microsoft.com/virtualization/en/us/default.aspx