Does that cover all of my files?
Exclusivity only covers your royalty-free stock files. iStock does not require Exclusivity for:
Rights-managed files with other organizations
Personal portfolio sites
Work for hire/editorial work contracts
Prints for sale
Are there other restrictions?
Images, video or audio files may not be sold on the artist's own site (including collections, CD-ROMs, etc).
Artist may not give away files for free, from their own or any other site.
Rejected files may not be sold elsewhere