Title: Kaiju Monsters!
If you need help installing the theme please click here.
Copy and Paste the following code into your customize profile section in profile settings:

/* Get your free Plurk themes at http://www.freeplurkthemes.com */

body {
color: #eeeeee;
background: url(http://www.freeplurkthemes.com/images/kaiju-bottom.jpg) bottom repeat-x;
font-size: 90%;
font-family: “trebuchet ms”, helvetica, arial;
}
/* Hide Karma Creature */
#dynamic_logo { opacity:0;filter:alpha(opacity=0);zoom:1 }
#bottom_line {
border-top: #EEEEEE solid 1px;
border-bottom: #EEEEEE solid 1px;
background: #2c2c2c;
opacity:0.7;filter:alpha(opacity=70);
}
.day_bg {
opacity:0.01;filter:alpha(opacity=01);
}
.div_inner {
border-left: #aec8f1;
border-right: #aec8f1;
opacity:0.5;filter:alpha(opacity=50);
}
#filter_tab .off_tab {
color: #EEEEEE;
border: #aec8f1;
background: #2c2c2c;
opacity:0.7;filter:alpha(opacity=70);
text-decoration: none;
}
#filter_tab a {
border: #EEEEEE !important;
color: #333333;
text-decoration: none !important;
}
#timeline_holder {
background: #111 url(http://www.freeplurkthemes.com/images/kaiju-plurk-background.jpg);
}
#top_bar a, #top_login a, #dashboard_holder a, #footer a {
color: #fff !important;
}
#dashboard_holder{
}
#plurk-dashboard {
background: #000 url(http://www.freeplurkthemes.com/images/kaiju-dashboard.jpg);
opacity:6.0;filter:alpha(opacity=60);
}
.dash-segment {
font-size:90%;
width: 225px;
}
#plurk-dashboard h2 {
color:#EEEEEE;
}

Enjoy!