I have encountered the following problem while uploading the XDmediablue skin package:
Begin processing zip file: XDMediaBlue
# Error processing file: apix/!Materials/button set.psd is a restricted file type. Valid file types include ( *.swf, *.jpg, *.jpeg, *.jpe, *.gif, *.bmp, *.png, *.doc, *.xls, *.ppt, *.pdf, *.txt, *.xml, *.xsl, *.css, *.zip). Please contact your hosting provider if you need to upload a file type which is not supported.
Since the file couldn´t be processed, the skin is missing a picture.
Any idea on how I can overcome this problem?