Just agreed to let YARPP track usage statistics in my WordPress site, and it appears to do that (at least in part) by adding a 1-pixel image to the page. This would be okay, except that I have default styles for images, one of which is a thick, black border. So the YARPP image shows up as a black square with a dot in the middle.
I think you should add a style attribute to the YARPP image that sets the border to "none". You may also want to set padding and margin to zero. Like so:
style="border: none; padding: 0; margin: 0"
You may also want to consider adding the following styles:
- text-decoration: none
- display: inline
Finally, the image should be transparent. The 1-pixel image on my blog is a specific color, one that's different than the background color. So I can see it, which is not really okay.