for me (generally mixed 1/2 column)

• http://pizza-desu.tumblr.com/tagged/pizzathm
• http://dok2.co.vu/tagged/themes
• http://etrothemes.tumblr.com/tagged/theme
• http://gentlethemes.tumblr.com/
• http://radiotomics.tumblr.com/
• http://str-wrs.tumblr.com/all
• http://yobeo.tumblr.com/tagged/themes
• http://zious.tumblr.com/tagged/theme
• http://bribery.tumblr.com/tagged/theme >> http://pastebin.com/u/seouless
• http://nunmurithemes.tumblr.com/themesnunmuri
• http://shoseii.tumblr.com/thm
• http://natseme.tumblr.com/thm
• http://hanachu.tumblr.com/tagged/hthms
• http://ga-e.tumblr.com/tagged/thms
• http://tokyoghosts.tumblr.com/themez
• http://bluenaegi.tumblr.com/tagged/my-codes
• http://iyo-d.tumblr.com/tagged/layout
• http://korean-addicted.tumblr.com/mythemes
• http://redfox.co.vu/tagged/mythemes
• http://81km.tumblr.com/tagged/theme
• http://ryosukes.tumblr.com/tagged/theme
• http://tomkirk.tumblr.com/tagged/xzx
• http://milksoo.co.vu/tagged/theme
• http://analthmes.tumblr.com/
• http://ryosuke.co.vu/tagged/kkk

other simple themes [vintage mostly, some fandom]

• http://lucysthemes.tumblr.com/
• http://aryasnark.tumblr.com/tagged/codes
• http://dracares.tumblr.com/codes
• http://themes--eternal-chaos.tumblr.com/
• http://juunko.tumblr.com/tagged/theme
• http://themesbysusan.tumblr.com/
• http://lostemas.tumblr.com/
• http://lunarthemes.tumblr.com/tagged/themes
• http://themesbynaeive.tumblr.com/
• http://jbam-themes.tumblr.com/
• http://muishiki.tumblr.com/codes
• http://velocitythemes.tk/thms
• http://zeloid.tumblr.com/thms
• http://incedothemes.tumblr.com/

more fandom/kfashion oriented (400-500px 1 column generally)

• http://wakomeii.tumblr.com/themelist
• http://hkthemes.tumblr.com/tagged/themes
• http://cixth.tumblr.com/tagged/cixth
• http://darvll.tumblr.com/codes
• http://doucheywolf.tumblr.com/codes
• http://everlark.tumblr.com/tardis
• http://gyapo.tumblr.com/tagged/theme
• http://haryumthemes.tumblr.com/
• http://ladmilk.tumblr.com/tagged/themes
• http://ramyeons.tumblr.com/themesdesu
• http://sakurane.tumblr.com/theme
• http://ghoulishthemes.tumblr.com/old
• http://yeoli.tumblr.com/tagged/themes
• http://aerou.tumblr.com/tagged/themes
• http://noxvita.tumblr.com/tagged/themes
• http://a--themes.tumblr.com/tagged/theme
• http://ninpen.tumblr.com/lethemes
• http://ettudis.three-words.net/artjunk/tumblr/
• http://manatopia.org/tagged/theme:-mine
• http://pohroro.tumblr.com/tagged/themes
• http://setaku.tumblr.com/yuukithemes
• http://laheystark.tumblr.com/tagged/mythemes
• http://ocaenathemes.tumblr.com/
• http://soonjunthemes.tumblr.com/tagged/themes
• http://hoshikusu.tumblr.com/tagged/theme
• http://zeldathemes.co.vu/codes
• http://titanjelly.tumblr.com/tagged/themes
• http://themesbykimhna.tumblr.com/
• http://accioloki.tumblr.com/benzene
• http://akthemez.tumblr.com/
• http://carrymehomes.tumblr.com/tagged/new%20theme
• http://mcpoyles.tumblr.com/codes
• http://dystopie.tumblr.com/codes
• http://hearttopieces.tumblr.com/tagged/themage
• http://athlstan.tumblr.com/tagged/ooooh
• http://loodge.tumblr.com/tagged/themes

more vertical/personal oriented (most likely several columns)

• http://morbidethemes.tumblr.com/
• http://sassings.tumblr.com/mythemes
• http://evolvinq.tumblr.com/tagged/theme
• http://soumeiithms.tumblr.com/
• http://piaopew.tumblr.com/pewthms
• http://creamthemes.tumblr.com/tagged/vt
• http://ukethemes.tumblr.com/

personal/humor? 1 column gen 400px w/ tags

• http://guroshoujo.tumblr.com/codes
• http://dipppers.tumblr.com/themes
• http://tukut.tumblr.com/tagged/my-theme
• http://drearythemes.tumblr.com/tagged/theme
• http://themesbytwp.tumblr.com/tagged/theme
• http://jubileethemes.tumblr.com/
• http://meem.co.vu/tagged/*th
• http://superdere.tumblr.com/themes
• http://desciduous.tumblr.com/themes