Above is my collection of 88×31 web buttons. I've made a few myself and I've collected the rest from a range of sites and blogs from around the web.
If you'd like to add my button to your site:
<a href="https://jamesphilbrick.com"><img src="https://bear-images.sfo2.cdn.digitaloceanspaces.com/jamesphilbrick/james-corner.gif"></a>