They do look nice and healthy, good job. As far as training I like to drill small holes all around the top of the pot and use pieces of a high guage...
I always save the popcorn buds and nice trim for either butter or for my girlfriend to vape when the buds run out.(I don't smoke anymore save for one...
That's really odd, never seen a seedling like Don Papa's but there's no way youngjizzels is cannabis. I'd love to have see a picture of the seed that...
I also use Ocean Forest with a comfortable amount of unamended perlite. Works great for me. I'd say try your mix out then make changes after a grow....