The specified file temporary://files1QXLs could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileXOUhai could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileGj3US7 could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
Note that you'll have to apply vignetting to your entire picture and remove it as appropriate; and you'll have to remove blurring and paint it in as required.