The app Story Gram choose which photos you into a 'story' would take. You type a title and some text and you are ready. You can select multiple photos at once Instagram-500px-on your blog. Gram story is useful for people who use Instagram and sometimes their best photos to share with others at 500px. Moreover, your pictures the attention of many more people than just your followers on Instagram. Instagram is after all only available for iOS users.
Download: Story gram (free)