Title: Neon Zebra
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, html {
background: #00ff12;
background-repeat: repeat
color: white;
font-family: Arial, Helvetica, sans-serif;
font-size: 11px;
color: #0006ff;
}

#timeline_holder {
background-image: url(http://www.freeplurkthemes.com/images/neon-zebra-timeline-holder.jpg);
}

/* Hide Karma Creature */
#dynamic_logo { opacity:0;filter:alpha(opacity=0);zoom:1
}
/* Hide Bar */
.day_bg {
opacity:0.01;filter:alpha(opacity=01);
}
/* Hide Search */
#mini_search form { opacity:0; filter:alpha(opacity=0);zoom=1
}

#mini_search form:hover { opacity:1; filter:alpha(opacity=100)
}

#bottom_line {color:#ffffff;
background: #0006ff;
border-top: 1px solid #8d00d6;
border-bottom: 1px solid #8d00d6;
}

.td_img{ opacity:0;filter:alpha(opacity=0);zoom:1}

.evening, .night, .day, .morning {
color:#ffffff;
}

#div_loading { background-position: 25%;}

#top_login {
background: #0006ff;
margin: 0px 0px 0px 0px;
padding-right: 10px;
height: 20px;
}
.dark_icons {color:#00ff12;}
#top_bar #edit_link {color:#8d00d6;}
#top_bar #edit_link, #top_login a, #footer a, #top_bar a {color:#00ff12;}
#page_title {
font-size:15px;
color: #00ff12;
}

#timeline_bg .day_start .div_inner {
background: #e7adc4;
opacity: 0.4;
-moz-opacity: 0.4;
filter: alpha (opacity = 40);
}

.plurk_box .caption {-moz-border-radius: 11px 0px 0px 0px ;
background: url(http://www.freeplurkthemes.com/images/timeline-holder.jpg) ;
color: black;
text-align: center; -webkit-border-top-left-radius: 11px; }

.plurk_box .list {-moz-border-radius: 0px 0px 0px 11px ;
-webkit-border-bottom-left-radius: 11px; }

.info_box {-moz-border-radius: 0px 0px 11px 0px ;
background: url(http://www.freethemes.com/images/gradient2.jpg) ;
color: white;
border: none;
-webkit-border-bottom-right-radius: 11px; }

.info_box.c_disabled { -moz-border-radius: 11px 0px 0px 0px;
-webkit-border-top-left-radius: 11px; }

.info_box a { color: #fff!important; }

#input_small { height: 75px; }

.response_count, .caption { background:#8d00d6 !important; color: #ffffff!important; font-size:10px; padding:0 0.25em
}
.new .response_count { background:#8d00d6 !important; color:#ffffff!important; font-size:10px; padding:0 0.25em
}
.dots .inner { margin-left: 3px; -moz-border-radius:8px 8px 8px 8px;
}

#updater { background:#8d00d6;
color:#ffffff;
border: 1px solid #8d00d6;
}

#plurk_form {
background: transparent repeat;
color: #ffffff;
}

#karma {
color: #8d00d6;
}

#plurk-dashboard {
color: #ffffff;
background: transparent repeat;
}

#plurk-dashboard a{
color:#e7adc4;
text-decoration:underline;
}

#plurk-dashboard a:hover{
color:#8d00d6;
text-decoration:underline;
}

#plurk-dashboard h2{
text-transform:uppercase;
background:none;
color:#ffffff;
font-weight:bold;
padding:0;
}

#dash-stats table td {
color:#8d00d6;
}

#dash-fans div[style]:first-child { position:absolute;opacity:0; font-size:0;height:0;
}

#dashboard-invite, #invite_url, #mobile-gfx, #widget-gfx, #twitter-gfx { height:0; position:absolute;opacity:0; filter:alpha(opacity=0); zoom=1
}

#filter_tab a.filter_selected {
-moz-border-radius: 10px 10px 10px 10px; background:#00c6ff; color: #00ff12;
-webkit-border-bottom-left-radius: 11px;}

#filter_tab .off_tab { -moz-border-radius: 10px 10px 10px 10px;
background: url(http://www.freethemes.com/images/gradient2.jpg) ;
color: #00ff12; background-color: #0006ff;
-webkit-border-bottom-right-radius: 11px; }

Enjoy!