<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js' type='text/javascript'></script>

1. Go to Blogger Dashboard -> Layout
2. Click on Add a Gadget
3. Select HTML/JavaScript
4. and then put the following code in it

<style type="text/css" media="screen">
<!--

/* ========== Scrolling Recent Posts Widget By www.tricks2blogging.blogspot.com ======== */

#tricks2blogging-widget {
    overflow: hidden;
    margin-top: 5px;
    padding: 0px 0px;
    height: 385px;
}

#tricks2blogging-widget ul {
    width: 295px;
    overflow: hidden;
    list-style-type: none;
    padding: 0px 0px;
    margin: 0px 0px;
}

#tricks2blogging-widget li {
    width: 282px;
    padding: 5px 5px;
    margin: 0px 0px 5px 0px;
    list-style-type: none;
    float: none;
    height: 80px;
    overflow: hidden;
    background: #fff url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFhENPCWH2Bv07Hy380aiciJWo36FxTIi9Zw-qjq6jG68aS0rdFdqXtunDXXls2i_auxOZeUVsH3m0v5TGUW9Y4w-9WhN-nnJkySR3SDcdez_COJpmsU1IlQOrInAZ0d598vgIU_8_l8o/s1600/blogger-post.jpg) repeat-x;
    border: 1px solid #ddd;
}

#tricks2blogging-widget li a {
    text-decoration: none;
    color: #4B545B;
    font-size: 15px;
    height: 18px;
    overflow: hidden;
    margin: 0px 0px;
    padding: 0px 0px 2px 0px;
}

#tricks2blogging-widget img {
    float: left;
    margin-top: 10px;
    margin-right: 15px;
    background: #EFEFEF;
    border: 0;
}

#tricks2blogging-widget img {
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    transition: all 0.5s ease;
    padding: 4px;
    background: #eee;
    background: -webkit-gradient(linear, left top, left bottom, from(#eee), color-stop(0.5, #ddd), color-stop(0.5, #c0c0c0), to(#aaa));
    background: -moz-linear-gradient(top, #eee, #ddd 50%, #c0c0c0 50%, #aaa);
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    -webkit-box-shadow: 0 0 3px rgba(0,0,0,.7);
    -moz-box-shadow: 0 0 3px rgba(0,0,0,.7);
    box-shadow: 0 0 3px rgba(0,0,0,.7);
}

#
tricks2blogging-widget img:hover {
    -moz-transform: scale(1.2) rotate(-350deg);
    -webkit-transform: scale(1.2) rotate(-350deg);
    -o-transform: scale(1.2) rotate(-350deg);
    -ms-transform: scale(1.2) rotate(-350deg);
    transform: scale(1.2) rotate(-350deg);
    -webkit-box-shadow: 0 0 20px rgba(255,0,0,.4), inset 0 0 20px rgba(255,255,255,1);
    -moz-box-shadow: 0 0 20px rgba(255,0,0,.4), inset 0 0 20px rgba(255,255,255,1);
    box-shadow: 0 0 20px rgba(255,0,0,.4), inset 0 0 20px rgba(255,255,255,1);
}

.spydate {
    overflow: hidden;
    font-size: 10px;
    color: #0284C2;
    padding: 2px 0px;
    margin: 1px 0px 0px 0px;
    height: 15px;
    font-family: Tahoma,Arial,verdana, sans-serif;
}

.spycomment {
    overflow: hidden;
    font-family: Tahoma,Arial,verdana, sans-serif;
    font-size: 10px;
    color: #262B2F;
    padding: 0px 0px;
    margin: 0px 0px;
}

/* ========== Scrolling Recent Posts Widget By www.tricks2blogging.blogspot.com
 ======== */

-->
</style>

<script language='JavaScript'>
imgr = new Array();
imgr[0] = "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDI3HkDBnJZ9lCavLsJkVs07ZZZRTm-rqh-Cnxga_Js9QFQMcD-E5WXbYm1bhZewq2vsELH75ye1AXd9o5QWdFprsARsMtj04nANPbd4hFeah4sgEbC4vlfURxiqhbjpOHlOsBvAeDHvM/s1600/no-thumbnail.png.jpgg";
imgr[1] = "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDI3HkDBnJZ9lCavLsJkVs07ZZZRTm-rqh-Cnxga_Js9QFQMcD-E5WXbYm1bhZewq2vsELH75ye1AXd9o5QWdFprsARsMtj04nANPbd4hFeah4sgEbC4vlfURxiqhbjpOHlOsBvAeDHvM/s1600/no-thumbnail.png.jpg";
imgr[2] = "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDI3HkDBnJZ9lCavLsJkVs07ZZZRTm-rqh-Cnxga_Js9QFQMcD-E5WXbYm1bhZewq2vsELH75ye1AXd9o5QWdFprsARsMtj04nANPbd4hFeah4sgEbC4vlfURxiqhbjpOHlOsBvAeDHvM/s1600/no-thumbnail.png.jpg";
imgr[3] = "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDI3HkDBnJZ9lCavLsJkVs07ZZZRTm-rqh-Cnxga_Js9QFQMcD-E5WXbYm1bhZewq2vsELH75ye1AXd9o5QWdFprsARsMtj04nANPbd4hFeah4sgEbC4vlfURxiqhbjpOHlOsBvAeDHvM/s1600/no-thumbnail.png.jpg";
imgr[4] = "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDI3HkDBnJZ9lCavLsJkVs07ZZZRTm-rqh-Cnxga_Js9QFQMcD-E5WXbYm1bhZewq2vsELH75ye1AXd9o5QWdFprsARsMtj04nANPbd4hFeah4sgEbC4vlfURxiqhbjpOHlOsBvAeDHvM/s1600/no-thumbnail.png.jpg";
showRandomImg = true;
boxwidth = 255;
cellspacing = 6;
borderColor = "#232c35";
bgTD = "#000000";
thumbwidth = 50;
thumbheight = 50;
fntsize = 15;
acolor = "#666";
aBold = true;
icon = " ";
text = "comments";
showPostDate = true;
summaryPost = 40;
summaryFontsize = 10;
summaryColor = "#666";
icon2 = " ";
numposts = 10;
home_page = "http://www.tricks2blogging.blogspot.com";
limitspy=4;
intervalspy=4000;
</script>
<div id="tricks2blogging-widget">
<script src='http://tricks2blogging.googlecode.com/svn/trunk/recent-posts-spy.js' type='text/javascript'></script><a href='http://www.tricks2blogging.blogspot.com'>_</a>
</div>

• Change the Red UrL with your URL

1. numposts = 10; Total number of posts
2. imitspy=4; Number of the posts to appear
3. intervalspy=4000; Scrolling speed of the widget