Alright, these links are going to be a bitch because I'm on mobile and can't figure out how to post them on 4chan because I suck. So I'll give you a link and a description- sorry I don't have a lot of Thranduil OP!
http://hobbitkaiju.tumblr.com/post/46410503250/more-bilbo-and-thorin-this-time-i-remembered-the : Thorin/Bilbo blowjob (This is the most explicit/best one I have- I now realize most of my collection of Hobbit smut is pure fluff.)
http://puchupuchupuchupuchu.tumblr.com/post/113957522169/dom-thorin-sub-bilbo : Modern setting Thorin/Bilbo dom/sub all clothes on
http://nsfewe.tumblr.com/post/107085322669 : Thorin/Bilbo cute and funny with Thorin in mid thrust
http://bilbo-of-the-shire.tumblr.com/post/90095481998 : Naked Thorin from behind and a partial front
http://nsfwfandomstuff.tumblr.com/post/87458515389/source-on-really-well-drawn-drawing : Human Smaug/Bilbo Smaug giving Bilbo a blowjob
http://dwarfsmut.tumblr.com/post/85802363102/azog-teasing-bilbo-i-believe-someone-has-been : Azog/Bilbo, Bilbo in chains, frottage and size difference
http://bag-in-a-shield.tumblr.com/post/41752445629/the-king-under-the-mountain-and-the-king : Bilbo/Thorin, pretty tame, but Bilbo's half naked, clad only in Mithril and smug on a very possessive Thorin.
http://yufy01.tumblr.com/post/74053836877/my-paint-in-2013 : Fully clothed Thranduil, but a beautiful portrait. Sorry I couldn't get more randy-Thrandy to you OP!
