I dunno i have nuked flash before and reinstalled it to latest but still kaputs. I'll just wait for a blu ray release and maybe watch a couple of shows via stream.
I had similar issues, but a full reset of FireFox fixed it, under FireFox -> Help -> Troubleshooting information -> "Reset Firefox to its default state", you have to reinstall all your plugins afterwards, though it should keep your general settings and bookmarks, but it fixed all the glitches.
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IDK Neonevik, have you seen these (one "new" one, and one "old" one of each length):
Sakamichi no Apollon, Haibane Renmei ~12 eps
Mushishi, Dennou Coil ~25 eps each
Bakuman, Monster ~75 eps each.
Hell, it would help if you started with myanimelist or something so i could see what you've already seen. There's some stuff I would recommend to you but feel it's "too obvious" and would be insulting to you, but maybe "obvious" to me isn't the same as what you've caught up with.
EDIT: How could i forget "Tatami Galaxy", "Welcome to the NHK", "Mawaru Penguindrum". "Denpa Onna To seishun Otoko", "Arakawa Under The Bridge". I like shows where there's something a bit weird going on:
Mawaru Penguindrum - Plot
A terminally ill girl named Himari Takakura is miraculously saved from death by a strange spirit who resides in a penguin-shaped hat. However, in exchange for extending her life, the spirit tasks Himari's brothers, Kanba and Shōma, to seek out an elusive item known as the Penguin Drum with assistance from a trio of strange penguins.
And i did mention Abenobashi to you a couple of pages ago. Aka "Magical Shopping Arcade Abenobashi". It's kinda interesting, though there are many shows i would actually recommend more highly.