A good way to learn about how to take pictures using 'indirect lighting'.
The EZcube is used as the tool (in the video) but the principals taught are applicable to any small item photography, many of which are sold on eBay.
Here are a few of the topics covered:
Lighting and exposure
Ten critical tips for better product shots
Important do's and dont's
Advanced professional techniques
This item sells for $20 on the EZcub web site. Plus $9.67 shipping.
Still in shrink wrap, never been opened.