UPLOADIFY - Good

Use uploadify to Transloadit -> S3

HTML

<script src="http://www.uploadify.com/wp-content/themes/uploadify/js/jquery.uploadify.min.js"></script>
<link rel="stylesheet" href="http://www.uploadify.com/wp-content/themes/uploadify/style.css">
<input type="file" name="file_upload" id="file_upload" />

CSS

.uploadify-button {
        background-color: transparent;
        border: none;
        padding: 0;
    }
    .uploadify:hover .uploadify-button {
        background-color: transparent;
    }

JavaScript

$(function() {
        $('#file_upload').uploadify({
            'swf'      : 'http://www.uploadify.com/uploadify/uploadify.swf',
            'buttonImage': 'http://bizamajig.com/resources/bizamajig/art/icon-edit-2x.png',
            'uploader' : 'uploadify.php',
            'auto': true,
            'displayData': 'percentage',
            // Your options here
        });
    });