I need an images upload system like 500px.com to be integrated in my cms (Processwire) Features list: - Multi files upload - Save 2 thumbs, 1 big and 1 small - Cross browser support - jQuery callback for javascript not installed - Moving uploaded file to amazon s3 - watermark with png - display thumbnails of uploaded files (show thumb before upload) - add more info to the file before saving - Set the number of simultaneous files uploaded You have to implement this jquery plugin for the upload: http://blueimp.github.com/jQuery-File-Upload/ amazon s3 sample code (can be useful) https://s3.amazonaws.com/parsec_it_examples/s3-php.zip multi thumbs option https://github.com/blueimp/jQuery-File-Upload/wiki/Upload-multiple-resolutions-of-one-image-with-multiple-resize-options I'll provide the templates. More info in pvt. Keywords: Prototype, AJAX, Service, PHP, Web, CSS, jQuery, Amazon