These are some pics from XYLHQ applications from Li Rubo's book.
Later, when my scanner decides to work, I'll post drawings from Li Yushuan's book "Xingyiquan Ti Ying Gongfa Xue" (The Study of Practice, Applications and Mehotds of Xingyiquan), which has the best XYQ apps that I have seen in a book. You can get that book by contacting Jarek.
Now, Li Rubo:
Snake:
Fan Bei (Overturned strike)
Double Grasp
Swallow Form Takedown
Tiao (Flick) Contracting:
Tiao Expanding
Ren Jing (Blade Energy)