[header] How to apply to modeling agencies [title] Use amateur photos. [step] It's really not worth the extra cost to get professional pics done. Get a friend or relative with a smart phone or standalone camera and let them take a number of photos of you. 
It's best to keep the setting fairly basic with a single-color backdrop, almost like a passport photo. [substeps] Pose for a large number of shots, at least twenty, so that you'll have plenty to choose from.