robwierzbowski/jekyll-image-tag — pull request #12 by bfred-it (2014-03-01 14:41:53+00:00)
Title: Return just the URL if "url" attribute is passed

`{% image 100x100 image.jpg %}` returns the `` tag as usual

`{% image 100x100 image.jpg url %}` returns the just the url to the image.