Sounds reasonable, hash out the details and I'm in.

To make the challenge more valid  an unbiased 3rd party should select the person and provide the reference photos. This would eliminate variances in photo reference quality as a factor and ensure that participants had an equal start .

The results would also need to be posted anonymously in some way to eliminate the "popularity" factor  from the judging so the decision would be based solely on the merits of the results.