These template vars can be used for image reports, in the language item email_reportlinkbody:

{COMMENT} - The explanation written by the reporter.
{PROBLEMTYPE} - The type of problem, as chosen from the selector on the report page.
All {LINK variables will show the appropriate values of the image which has been reported.
All {CAT variables will show the appropriate values of the category of the image which has been reported.
All {MEMBER variables will show the appropriate values of the member who reported the image.


These template vars can be used for comment reports, in the language item email_reportcommentbody:

{COMMENT} - The explanation written by the reporter.
{PROBLEMTYPE} - The type of problem, as chosen from the selector on the report page.
All {COMMENT variables will show the appropriate values of the comment which has been reported.
All {LINK variables will show the appropriate values of the image which reported comment is associated with.
All {CAT variables will show the appropriate values of the category of the comment which has been reported.
All {MEMBER variables will show the appropriate values of the member who reported the comment.