用外掛程式，擴增無限可能。
運用數千種外掛程式來新增功能、使用你最喜愛的工具；所有 WordPress.com 付費方案皆可使用。
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2 外掛程式
Resize Image After UploadAutomatically resize your images after uploading using this plugin. Specify height&width, the plugin will do the rest quickly and transparently.
WURFL Image Tailor (WIT)Sets up the sources of your images so that they are served via the WURFL Image tailor service (WIT) http://web.wurfl.io/#wit.