1. Open Chrome
2. Go there -> http://websta.me/tag/cat
3. Open Console (CMD+j)
4. Paste the code and hit enter
5. Repeat 2-5 for desired hashtags i.e s/cat/yourhashtag

// Click the like button, Note that instagram has limited the number of likes
// As far as I can tell more than 70 likes within one minute and you have to wait for another hour
$(".likeButton").each(function(index) {
    // Don't unlike the photo thats why the following
    if (!$(this).hasClass('done')) {
        $(this).click();
    }
});


lame_comments = ["great", "awesome", "loved this pic", "man this is great, how you did it", "beautiful, so great you captured it", "subarashii", "iine", "you are awesome", "will love to see more or your pics", "great work"];

// Fill in a random comment and click it
$("textarea").each(function(index) {
    $(this).val(lame_comments[Math.floor(Math.random() * lame_comments.length)]);
});
$("input[value='COMMENT']").click();