I really sucked at apply falsies so I searched the ocean of Youtube videos to learn from. Here are some ways/tips from various beauty experts out there, to make applying falsies easier and look good.
The first video is by Vintageortacky. Check out her other videos as well.
The next video is by PopSugarBeauty. Check out her videos on DIY beauty and how-to videos.
This video is by Muiguru.