I would show more examples of the latter if I could, but it seems like violence sells.
That being said, I actually like the following PSAs from TBWA\RAAD Abu Dhabi, UAE for City of Hope, Dubai.
Click here for the rest.
The contrast of the x-rays on black background, the broken bones to the "bling" speaks volumes without being overly graphic (ie no blood, bruises). The fact that the xrays are anonymous speaks volumes about women suffering in silence and as Street Anatomy put it:
"the fact that even though everything may appear fine on the outside, there can be painful damage present underneath. And it’s only a matter of time before it’s exposed."[via Street Anatomy]