I was recently looking for a solution for an upcoming project which required me to load content by post type from Tumblr’s API. The one or two options I found produced hard-coded markup for each post, and didn’t make it easy to customise their output. As a result, I put together this little framework that combines jQuery ajax loading with Boris Moore’s JsRender templating syntax (the successor to the jQuery Template plugin).
I’ve documented the key parts over at Github and put together a quick demo page that loads various post types into a single page. Please let me know if you find it useful!