iTunes Podcast Cover Art Specs Now 3000 x 3000
iTunes once again has changed the podcast cover art requirements. The maximum cover art requrement is now 3000 x 3000. The following is a directly from Apples website :
Create your cover art, which must be in the JPEG or PNG file formats and in the RGB color space with a minimum size of 1400 x 1400 pixels and a maximum size of 3000 x 3000 pixels.
Podcasting on the iTunes Store requires several steps:
Create your first episode, which can be an audio or video recording or a text document. Podcasts can be in the M4A, MP3, MOV, MP4, M4V, PDF, and EPUB file formats.
Create an RSS feed (an XML file) that:Conforms to the RSS 2.0 specification
Includes the recommended iTunes RSS tags
Contains pointers to your episode with the <enclosure> tagCreate your cover art, which must be in the JPEG or PNG file formats and in the RGB color space with a minimum size of 1400 x 1400 pixels and a maximum size of 3000 x 3000 pixels.
Post the RSS feed, cover art, and your episodes on a server that supports byte-range requests and a publicly accessible URL. Support for byte-range requests allows users to stream your episodes.
In iTunes, submit your RSS podcast feed URL to the iTunes Store.