This image can be used free of charge, modified or unmodified, for any purpose including commercial use, provided that the author and licence are mentionned, and that any derivative work be licenced under the same licences (Derivative works will thus also mention the name of original author and licence). If these terms do not suit you, you can contact the author at [email protected] for a non-exclusive proprietary licence to be arranged for a fee.
The use of images of living individuals is restricted by laws pertaining to personality rights, independent from their copyright status. You are solely responsible for ensuring that you do not infringe someone else's personality rights.