The gallery carousel (aka “slider”) embeds 1000px width versions of the images uploaded to the gallery. Unfortunately if you are viewing the slider on any kind of HD monitor, these images stretch out larger than their native resolution and look pixelated.
The slider needs to load the larger or full sized versions of the images by default, or choose the necessary size dynamically based on the width of the browser window. At the very least, images should have a defined max width so that the slider doesn’t try to size them larger than their native resolution.
so that the image doesn’t scale larger than the medium thumbnail width. The theme’s medium thumbnails are scaled based on a maximum width, not height, so it’s not necessary to also specify a max height. This css solution seems to do the trick. If you have a better suggestion for how this can be implemented, let me know.