to add it bigger throw it on to a site like www.biglines.com where there is no size l;imit and then copy the shortcut and paste it into the upload thing on this site and then u will get a bigger, better quality pic
it depends what graphics program you are using. Photoshop is the program of choice. Gif's are generally larger picture files for photos (unless it only consists of a few colors). For a photograph like this, export the file as a .JPG , and if you can. slide down the quality