Thanks Mate...
I'm interested in learning these...
01:The dropping while floating effect (see video at 0:07sec to 0:10sec)
02:The dropping and arranging effect (see video at 0:11sec to 0:15sec) and (see video at 0:16sec to 0:20sec)
Video Link: Mosaic Photo Reveal (After Effects Template) - YouTube
Thanks for your time..