ACP -> Look & Feel -> Your Skin -> globalTemplate.
FInd this: <noscript>
Add this code above it: <if test="($this->memberData['member_id'])"><else />
<div class='guestMessage'>
<div class='guestHeader'>Welcome to {$this->settings['board_name']}</div>
Register now to gain access to all of our features. Once registered and logged in, you will be able to create topics, post replies to existing threads, give reputation to your fellow members, get your own private messenger, post status updates, manage your profile and so much more. This message will be removed once you have signed in.<br />
<a href='{parse url="app=core&module=global&section=login" base="public"}' class='input_submit'>Login to Account</a> <a href='{parse url="app=core&module=global&section=register" base="public"}' class='input_submit'>Create an Account</a>
</div>
</if>
Then add this to either a new CSS file or the bottom of ips_style.css: .guestMessage{
background: #232323;
border: 1px solid #383838;
-webkit-box-shadow: #000 0px 0px 0px 1px;
-moz-box-shadow: #000 0px 0px 0px 1px;
box-shadow: #000 0px 0px 0px 1px;
color: #cdcdcd;
line-height: 180%;
margin-bottom: 10px;
padding: 10px;
text-align: center;
}
.guestMessage .guestHeader{
border-bottom: 1px solid #383838;
text-shadow: rgba(0,0,0,0.8) 0px -1px 0px;
background: #282828;
color: #fff;
padding: 10px;
font-size: 1.1em;
font-weight: bold;
margin: -10px -10px 10px -10px;
text-align: left;
}
.guestMessage a{
color: #fff;
text-decoration: none;
}
.guestMessage a.input_submit{
margin: 10px 8px 0 0;
font-weight: bold;
text-decoration: none;
}
You may need to adjust the CSS to make it fit your skin.