Vá em Layout >> Adicionar Gadget >> Html/JavaScript e colaro código abaixo : <center> <style type="text/css"> .slider-sidebar{ width:270px; /* largura do slide*/ height:310px; /* altura do slide*/ border:1px solid #fff; /* cor de borda do slide*/ background-color:#ffffff;/* cor de fundo do slide*/ padding-left:-5px; margin-left: -5px; font:normal normal 11px/1.4 Tahoma,Verdana,Arial,Sans-Serif; color:#333;/* cor de fonte do slide*/ margin:0 auto; position:relative; overflow:hidden; text-align:left} .slider-sidebar-nav{ text-align:left} .slider-sidebar-nav a{ display:inline; background-color:#333; /* paginação visível*/ color:#ffffff;/* cor da fonte da paginação*/ padding:4px 8px; line-height:2.6em; margin:0 2px; text-decoration:none} .slider-sidebar-nav a:hover{ background-color:#ccc} /* paginação ao passar o cursor*/ .slider-sidebar-nav a.current{ background-color:#9f9e9e} /* paginação ativa*/ .slider-sidebar.loading{ background-image:none; background-position:50% 50%; background-repeat:no-repeat} .slider-sidebar .slider-item{ position:absolute; padding:10px; background-color:#ffffff;/* cor de fundo do slide*/ top:0; right:0; bottom:auto; left:0; display:none} .slider-sidebar .image-wrapper{} .slider-sidebar .detail-wrapper{} .slider-sidebar img{ display:block; border:none; outline:none; padding:0 0; margin:0 0; -webkit-box-shadow:none; -moz-box-shadow:none; box-shadow:none; max-width:none; max-height:none} .slider-sidebar h4{ font:inherit; font-weight:bold; font-size:120%; /* tamanho do título*/ text-transform:none; color:#000; /* cor do título*/ margin:10px 0 0} .slider-sidebar h4 a{ color:inherit; text-decoration:none} .slider-sidebar h4 a:hover{ color:#880505; /* cor do titulo ao passar o cursor*/ text-decoration:underline} .slider-sidebar p{ margin:10px 0 0} </style> <div id="slider-sidebar" class="slider-sidebar loading"> </div> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> <script type="text/javascript"> (function(a){a.fn.customRotator=function(c){c=a.extend({interval:6000,speed:1000,hoverPause:true,autoHeight:false,crossFade:false,autoSlide:true,hide:function(d){},show:function(d){}},c);var b=true;return this.each(function(){var k=a(this),e=k.children().hide(),d=k.next(),g=null,j=0,f=0;function h(){c.hide(f);d.find(".current").removeClass("current");b=false;if(e.eq(f).next().length){if(!c.crossFade){e.eq(f).fadeOut(c.speed,function(){a(this).next().fadeIn(c.speed,function(){c.show(f);b=true});if(c.autoHeight){k.stop().animate({height:e.eq(f+1).height()},c.speed/2)}f++})}else{e.eq(f).fadeOut(c.speed);e.eq(f).next().fadeIn(c.speed,function(){c.show(f);b=true;f++});if(c.autoHeight){k.stop().animate({height:e.eq(f+1).height()},c.speed/2)}}d.find(".rotator-num a").eq(f+1).addClass("current")}else{if(!c.crossFade){e.eq(f).fadeOut(c.speed,function(){f=0;e.first().fadeIn(c.speed,function(){c.show(f);b=true});if(c.autoHeight){k.stop().animate({height:e.eq(f).height()},c.speed/2)}})}else{e.eq(f).fadeOut(c.speed);e.first().fadeIn(c.speed,function(){c.show(0);b=true;f=0});if(c.autoHeight){k.stop().animate({height:e.eq(0).height()},c.speed/2)}}d.find(".rotator-num a").first().addClass("current")}if(j==0&&c.autoSlide){g=setTimeout(h,c.interval)}}if(e.length>1){c.hide(f);e.first().fadeIn(c.speed,function(){c.show(f);b=true});if(c.autoHeight){k.stop().animate({height:e.eq(0).height()},c.speed/2)}if(c.hoverPause&&c.autoSlide){k.mouseenter(function(){clearTimeout(g);j=1}).mouseleave(function(){g=setTimeout(h,c.interval);j=0}).trigger("mouseleave")}else{g=(c.autoSlide)?setTimeout(h,c.interval):null}d.find(".rotator-num a").click(function(){if(b){b=false;if(c.autoSlide){clearTimeout(g);g=setTimeout(h,c.interval)}f=a(this).index();a(this).parent().find(".current").removeClass("current");a(this).addClass("current");c.hide(f);e.fadeOut(c.speed).eq(f).fadeIn(c.speed,function(){c.show(f);b=true});if(c.autoHeight){k.stop().animate({height:e.eq(f).height()},c.speed/2)}}return false});d.find(".rotator-advancer a").click(function(){if(b){b=false;var l=this.hash.replace("#",""),i=e.length;if(c.autoSlide){clearTimeout(g);g=setTimeout(h,c.interval)}if(l=="next"){f=(f<i-1)?f+1:0}else{f=(f>0)?f-1:i-1}d.find(".current").removeClass("current");d.find(".rotator-num a").eq(f).addClass("current");c.hide(f);e.fadeOut(c.speed).eq(f).fadeIn(c.speed,function(){c.show(f);b=true});if(c.autoHeight){k.stop().animate({height:e.eq(f).height()},c.speed/2)}}return false})}})}})(jQuery);function makeSlider(a){var c={url:"http://www.elainegaspareto.com",numPost:11,newTabLink:false,labelName:null,showDetail:true,summaryLength:60,titleLength:"auto",showThumb:true,thumbWidth:230,squareThumb:true,noThumb:"http://3.bp.blogspot.com/-vpCFysMEZys/UOEhSGjkfnI/AAAAAAAAFwY/h1wuA5kfEhg/s72-c/grey.png",showNav:true,navText:{prev:"<",next:">"},containerId:"slider-sidebar",interval:6000,speed:1000,hoverPause:true,crossFade:false,autoHeight:false,autoSlide:true,onInit:function(){},onHide:function(d){},onShow:function(d){}};for(var b in c){c[b]=(typeof(a[b])!=="undefined")?a[b]:c[b]}$.get(c.url+"/feeds/posts/summary/"+(c.labelName===null?"":"-/"+c.labelName.replace(/\,(\s+)?/g,"/"))+"?alt=json-in-script&max-results="+c.numPost,{},function(s){if(s.feed.entry!==undefined){var r=s.feed.entry,q,p,e,o,h="",d="";for(var m=0,n=r.length;m<n;m++){if(m==r.length){break}q=r[m].title.$t;e=("media$thumbnail" in r[m])?'<img alt="'+q+'" src="'+r[m].media$thumbnail.url.replace(/\/s72\-c/,"/s"+c.thumbWidth+(c.squareThumb?"-c":""))+'" style="width:'+c.thumbWidth+"px;height:"+(c.squareThumb?c.thumbWidth+"px":"auto")+'">':'<img src="'+c.noThumb+'" style="width:'+c.thumbWidth+"px;height:"+(c.squareThumb?c.thumbWidth+"px":"auto")+'">';o=("summary" in r[m]&&c.summaryLength>0)?r[m].summary.$t.replace(/<br ?\/?>/ig," ").replace(/<(.*?)>/g,"").replace(/[<>]/g,""):"";o=(c.summaryLength<o.length)?o.substring(0,c.summaryLength)+"…":o;for(var l=0,f=r[m].link.length;l<f;l++){p=(r[m].link[l].rel=="alternate")?r[m].link[l].href:"#"}h+='<div class="slider-item"> ';h+=(c.showThumb&&c.showDetail)?'<div class="image-wrapper"> '+e+"</div> ":(c.showThumb&&!c.showDetail)?'<div class="image-wrapper"> <a href="'+p+'" title="'+q+'"'+(c.newTabLink?' target="_blank"':"")+">"+e+"</a></div> ":"";h+=(c.showDetail)?'<div class="detail-wrapper"> <h4> <a title="'+q+'" href="'+p+'"'+(c.newTabLink?' target="_blank"':"")+">"+((c.titleLength=="auto")?q:q.substring(0,c.titleLength)+(q.length>c.titleLength?"…":""))+"</a></h4> <p> "+o+"</p> </div> ":"";h+="</div> ";$("#"+c.containerId).css({width:(c.showThumb)?c.thumbWidth+"px":$("#"+c.containerId).css("width"),height:(!c.showDetail&&c.squareThumb)?c.thumbWidth+"px":$("#"+c.containerId).css("height")})}d='<div class="slider-sidebar-nav"'+(c.showNav===false?' style="display:none;"':"")+"> ";d+=(c.showNav===true||c.showNav=="next/prev")?'<span class="rotator-advancer"><a href="#prev">'+c.navText.prev+"</a></span>":"";if(c.showNav===true||c.showNav=="number"){d+='<span class="rotator-num">';for(var g=0;g<c.numPost;g++){d+='<a href="#slide-'+g+'" class="'+(g===0?"current":"")+'">'+(g+1)+"</a>"}d+="</span>"}d+=(c.showNav===true||c.showNav=="next/prev")?'<span class="rotator-advancer"><a href="#next">'+c.navText.next+"</a></span>":"";d+="</div> ";$("#"+c.containerId).html(h).after(d);c.onInit();$("#"+c.containerId).removeClass("loading").customRotator({interval:c.interval,speed:c.speed,autoHeight:c.autoHeight,hoverPause:c.hoverPause,crossFade:c.crossFade,autoSlide:c.autoSlide,hide:function(i){c.onHide(i)},show:function(i){c.onShow(i)}})}else{$("#"+c.containerId).removeClass("loading").css({width:"auto",height:"auto"}).html("Error no encontrado!")}},"jsonp")};</script> <script type="text/javascript"> makeSlider({url:"AQUI O ENDEREÇO DE SEU BLOG/"}); </script></center> Feito isso basta salvar ! 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