HN: Please replace grayarrow.gif with Unicode character ▲
Very good proposal. There are more unicode symbols to choice from: <a href="http://www.alanwood.net/unicode/geometric_shapes.html" rel="nofollow">http://www.alanwood.net/unicode/geometric_shapes.html</a><p>Down arrow/triangle: ▼<p>It is not only matter of resolution but I personally like bigger fonts and have zoomed in HN so triangles look bad:<p><a href="http://i.imgur.com/fpA7N.png" rel="nofollow">http://i.imgur.com/fpA7N.png</a>