so i know that they have to be 400 x 150 pixels or less but what is the dpi that is usually used?

72 for the web
Also make sure it's below 70 kb

sweet ty. i dont have photosmart so i tried downloading a trial from the internet. took 40 min to do then i tried to extract it and it gives me an error that says there was a error in download... has anyone else had this problem? i think i may try and use corel draw or something