A simple CSS only method of adding a little style to your comments. This uses 5 images per 'bubble' which can be easily customized to have any background color.
Speech bubble with left pointer
Speech bubble with mid-left pointer
Speech bubble with mid-right pointer
The positioning of the pointer can easily be adjusted by changing one value in the stylesheet.
Speech bubble with right pointer
This works in IE5.5, IE6, IE7, Firefox, Opera and should be ok in all Safari browsers. IE5.01 doesn't quite make it and has a one pixel error in working out the zero top margin of the paragraph element.
The images used are as follows.
If you would like speech bubbles with no images then I have a demonstration here bubbles with no images.
Because of all the time and effort spent in producing this demonstration I would ask that you respect my copyright.
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If your donation is for the use of a demo then please email me with the demo url after making your donation.