contoh screenshot yang akan tampil.

1. Login/masuk blogger kalian

2. Masuk rancangan dan pilih Edit HTML

3. Jangan lupa kasih centang ( Expand Templaate Widget )

4. Lali cari code ]]></b:skin>

5. Simpan JavaScript di bawah ini di atas code ]]></b:skin>

/* Blogger Zoom Gallery By AllBlogTools.com */
ul.thumb {
float: left;
list-style: none;
margin: 0; padding: 10px;
width: 360px;
}
ul.thumb li {
margin: 0; padding: 5px;
float: left;
position: relative; /* Set the absolute positioning base coordinate */
width: 110px;
height: 110px;
}
ul.thumb li img {
width: 100px; height: 100px; /* Set the small thumbnail size */
-ms-interpolation-mode: bicubic; /* IE Fix for Bicubic Scaling */
border: 1px solid #ddd;
padding: 5px;
background: #f0f0f0;
position: absolute;
left: 0; top: 0;
}
ul.thumb li img.hover {
background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFxnNZcXnFnQdlA8fgwGVq_reqZVOU9zYwS-N372Nccg63_5E8GKbNIduAGFzLVapSVnlQ-IfyH2wfvpGNwX53zmUxLhO3EXgr_GuotzAOSIb66xlMlSQNtVSfr5gvfHXMMBgFuyrTKWTD/) no-repeat center center; /* Image used as background on hover effect
border: none; /* Get rid of border on hover */
}

6. cari code </head> dan simpan code di bawah ini di atas code </head>

<script src='http://code.jquery.com/jquery-latest.js'
type='text/javascript'/>
<script type='text/javascript'>
$(document).ready(function(){
//Larger thumbnail preview
$(&quot;ul.thumb li&quot;).hover(function() {
$(this).css({&#39;z-index&#39; : &#39;10&#39;});
$(this).find(&#39;img&#39;).addClass(&quot;hover&quot;).stop()
.animate({
marginTop: &#39;-110px&#39;,
marginLeft: &#39;-110px&#39;,
top: &#39;50%&#39;,
left: &#39;50%&#39;,
width: &#39;174px&#39;,
height: &#39;174px&#39;,
padding: &#39;20px&#39;
}, 200);
} , function() {
$(this).css({&#39;z-index&#39; : &#39;0&#39;});
$(this).find(&#39;img&#39;).removeClass(&quot;hover&quot;).stop()
.animate({
marginTop: &#39;0&#39;,
marginLeft: &#39;0&#39;,
top: &#39;0&#39;,
left: &#39;0&#39;,
width: &#39;100px&#39;,
height: &#39;100px&#39;,
padding: &#39;5px&#39;
}, 400);
});
//Swap Image on Click
$(&quot;ul.thumb li a&quot;).click(function() {
var mainImage = $(this).attr(&quot;href&quot;); //Find Image Name
$(&quot;#main_view img&quot;).attr({ src: mainImage });
return false;
});
});
</script>

7. Selesai mengedit Template lalu Save
belum beres`masih ada lagi langkah trakhir

- Login Blogger
- Halaman Lalu pilih tambah Gadget
- Klik pilih HTML / Javascript
- Save dan liah hasilnya.

Dan simpan code di bawah ini di HTML / Javascript

<ul class="thumb">
<li><a href="#"><img src="picture 1 Link" alt="" /></a></li>
<li><a href="#"><img src="picture 2 Link" alt="" /></a></li>
<li><a href="#"><img src="picture 3 Link" alt="" /></a></li>
<li><a href="#"><img src="picture 4 Link" alt="" /></a></li>
</ul>

Keterangan :
Code yang berwarna merah ( # ) dan " picture 1 Link"alt= " Bisa kalian edit sesuai keinginan kalian masing-masing..!!

Nah bila ingin tambah gambarnya tinggal copy aja code dibawah ini :
<li><a href="#"><img src="picture 2 Link" alt="" /></a></li>

Beres deh..!!
gampangkan ??