+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
No photo for sydney.

Yes for visa office. i didn't attach it. I put it inside an envelope. Don't know what is the right thing to do here.
 
Depends on Visa-office specific instructions. For Buffalo:

http://www.canadainternational.gc.ca/buffalo/imm/federal_worker_hints-conseils_travailleur_federal.aspx?lang=eng

"Federal Skilled Worker Applications Submitted to Buffalo

Place immigration photos in an envelope and staple the envelope to the second page of the application being careful not to put a staple through the photos."