There are four different sets to choose from. Pick the one that catches your interest, no matter how many people may have claimed the same set before you, and write six fics / a multi-chaptered fic from those themes. Themes are to be interpreted in any way you deem appropriate.
Theme set I
I.001.Hesitant
I.002.Surprised
I.003.Loud
I.004.Awkward
I.005.Dark
I.006.Excited
Theme set II
II.001.Troubled
II.002.Door
II.003.Miracle
II.004.Net
II.005.Forsaken
II.006.Sin
Theme set III
III.001.in this state of mind silence is a crime
III.002.from behind those empty walls
III.003.suddenly I realized what locks are for
III.004.when angels deserve to die
III.005.you'll be the voice in my head
III.006.anything but love
Theme set IV
IIII.001.encumbered forever by desire and ambition
there's a hunger still unsatisfied
our weary eyes still stray to the horizon
though down this road we've been so many times
IIII.002.does it feel good tonight
hurt me with nothing
some sort of sick satisfaction
you get from mind fucking
IIII.003.these dreams go on when I close my eyes
every second of the night I live another life
these dreams that sleep when it's cold outside
every moment I'm awake,
the further I'm away
IIII.004.but where will you go
with no one left
to save you from yourself
you can't escape,
you can't escape
IIII.005.how can life be so feigned and cold
I've answered the call of every melody, lovingly
did I find the answers to all my questions
or a gravenimage of me...
IIII.006.without any faith
without any light
can dare me to live
can dare me to lie
inside I am dead