No, there are no extra art work charges if you are able to provide your logo or design in an acceptable format and quality. You can send your artwork in any Photoshop or Illustrator vector formats. Jpeg can be accepted if your file has a 300dpi or higher quality at 100% scale to ensure the best printing. If you would like assistance with designing your bag, we can assist you. ($50/hr). We have outlined all the info you need to know about artwork here.