Test Name: paragraphBackgroundImageOpacity [testcase]
Description:

The draw:opacity attribute specifies the opacity of the background image. The value is a percentage, where 0% is fully transparent and 100% is fully opaque.

Screenshots: OpenOffice 2.0.1
KOffice 1.5.2 Not supported
Reference: Section 15.5.24 (Formatting Properties/Paragraph Formatting Properties/Paragraph Background Image)