Hi strato76 !
First of all congratulations on your image being shortlisted.
I hope you have managed to upload your hires file.
If not, you may find this link to the FAQ section of the Home page of Digital Camera magazine useful. I think the last FAQ would be of help to you.
http://poty2009.dcmag.co.uk/39135626...faqs.html#Best
Best of luck!