Jirohnagi
Braava Braava
Beedle loves bugs and will pay a good reward for them, he won't steal them though. Symin just mass sells pics, you don't get a choice on what you get. (worth the 100k if you don't wanna work for it) Lure line probably refers to Lurelin Village in the faron tower region right in the south easten corner of the map.
Lurelins location if you aren't sure.
Lurelins location if you aren't sure.