this is beautifull widget for blogger many of blogger user like this widget
youtube and with email subscribe
to add this follow the step
Follow The Steps
Go to blogger
Select your desire blog
Click on {show with red mark in image]
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Now select Layout
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And click on Add gadget
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Now select Html/javascript
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in title write your widget title and paste code

Paste the below Code in html java script
and click on save
<style>
#topbox{width:250px;border:1px solid #a1a1a1;background-color:#ffffff;padding-bottom:15px;padding-top:5px;}
#news-letter{clear:both;padding-top:10px;}
.msg-box{float:left;width:50px;height:54px;margin-right:9px;padding-top:5px;background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhW_m43AbogHPJnLzpuGnAbPpjSPyUphahCobeyQGv8RRculPQ5Ddds8aywdBKwZT05K8BvdTj-kOA6L_HP64qvblGato-oYaiyktfojl5WSA5wVyqgC9i7KC-1woqyrOxFypLUfo2hYTY/s800/mail-box.png) no-repeat;}
.news-headline{position: relative;z-index: 999;font-size: 18px;padding-bottom:10px;font-weight:bold;}
</style><br />
<div id="topbox">
<center>
<div class="news-headline" color:="color:">
Get Free Email Updates
</div></center>
<center>
<table border="0">
<tbody>
<tr>
<td style="padding-right: 4px;"><a href="http://twitter.com/username" target="_blank" title="Follow Me On Twitter">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxtT4vnu6cRMZf9dFFiEO_v1HD8_IECNAeN2Kz-nE1_MT0VWgK_pN_SLIVoN8VvzCd-GV_1zUlmTxLXorDime3_1cNAJeNXTQSG-4S1d5liAYDD3h48iv3a3ZodjPJpPy5vUrdunm9VCc/s1600/bloggertrix.com-twitter-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="http://feeds.feedburner.com/username" target="_blank" title="Subscribe Via RSS">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_zJzv5jew9ttRNjtqvXtX94oEdRsxyZjTaMb5tZjU27T-nA7gIeCFHqsu0JIPDbnO_M8AAoiaF3BG2gctdH37FWeTN25hn80_u0mvm0z-4j5ZJzQ_DTbk3rXUjQHr8Aybzj3LQ38o4sU/s1600/bloggertrix.com-rss-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="http://www.facebook.com/username" target="_blank" title="Find Us On Facebook">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWE13wnSuZ8SNO7f6b7445eL7POLJX9L5UyB1IACqiMNSxj64j5W6anhDMvIifu4pXlYvJ9PLfzohnYfIUQ9AsnwUKHAISQC3jpjLv3EEKoQG7Rbujm1ghIIppK75NAOA_YsSmHdsEPlQ/s1600/bloggertrix.com-facebook-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="https://plus.google.com/username" target="_blank" title="Add me on Google+">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKOfTmBIkK_LJH9kT8iVpP3HpL-Z12gCNMMFaoWdJSKDByIowWaX5W-ckjE3Lpn2LHSvHdFeeXJp49rx0mFd7H3Pf1idFMhgfgdyKbV2DWRkrWG5ClOMGV2WRMmgIonggdODRcv5dmKiE/s1600/bloggertrix.com-google-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="http://youtube.com/username" target="_blank" title="Add To Technorati">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7DERJBXmp61NGfxk526KCwWInZuX0K2NaXGtc8Ph6EtWr0O53wl9RMhKB-7w6R7Nyii6uBY437FIUypN7Gw-ellUMQfHi19aWlvlsiVuOhMrLPHGeQlaw4WhVMlRXjeC3XHREQtp2bM4/s1600/bloggertrix.com-youtube-icon.png" style="height: 25px; width: 25px;" /></a>
</td></tr>
</tbody></table>
</center>
<div id="news-letter">
<span class="msg-box"></span>
<b>Sign up for newsletter</b>
<br />
<form action="http://feedburner.google.com/fb/a/mailverify" method="post" onsubmit="window.open('http://feedburner.google.com/fb/a/mailverify?uri=username', 'popupwindow', 'scrollbars=yes,width=550,height=520');return true" target="popupwindow">
<input class="ebutton3" gtbfieldid="2" maxlength="100" name="email" onfocus="this.value = '';" size="25" style="color: #333333; font-size: 11px; height: 21px; width: 130px;" type="text" valign="middle" value="Enter your email address" />
<input name="uri" type="hidden" value="user name" />
<input name="loc" type="hidden" value="en_US" />
<input class="ebutton2" id="submit" style="font-size: 11px;" type="submit" value="Send" />
</form>
</div>
</div>
<div class="clear">
</div>
<br />
<div class="clear">
</div>
costumzitation
in blue mark replace username with your
twitter,rss feed,facebook,googl plus,
youtube
user name
if any problem than email me or comment below
Go to blogger
Select your desire blog
Click on {show with red mark in image]

Now select Layout

And click on Add gadget

Now select Html/javascript

in title write your widget title and paste code

Paste the below Code in html java script
and click on save
<style>
#topbox{width:250px;border:1px solid #a1a1a1;background-color:#ffffff;padding-bottom:15px;padding-top:5px;}
#news-letter{clear:both;padding-top:10px;}
.msg-box{float:left;width:50px;height:54px;margin-right:9px;padding-top:5px;background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhW_m43AbogHPJnLzpuGnAbPpjSPyUphahCobeyQGv8RRculPQ5Ddds8aywdBKwZT05K8BvdTj-kOA6L_HP64qvblGato-oYaiyktfojl5WSA5wVyqgC9i7KC-1woqyrOxFypLUfo2hYTY/s800/mail-box.png) no-repeat;}
.news-headline{position: relative;z-index: 999;font-size: 18px;padding-bottom:10px;font-weight:bold;}
</style><br />
<div id="topbox">
<center>
<div class="news-headline" color:="color:">
Get Free Email Updates
</div></center>
<center>
<table border="0">
<tbody>
<tr>
<td style="padding-right: 4px;"><a href="http://twitter.com/username" target="_blank" title="Follow Me On Twitter">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxtT4vnu6cRMZf9dFFiEO_v1HD8_IECNAeN2Kz-nE1_MT0VWgK_pN_SLIVoN8VvzCd-GV_1zUlmTxLXorDime3_1cNAJeNXTQSG-4S1d5liAYDD3h48iv3a3ZodjPJpPy5vUrdunm9VCc/s1600/bloggertrix.com-twitter-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="http://feeds.feedburner.com/username" target="_blank" title="Subscribe Via RSS">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_zJzv5jew9ttRNjtqvXtX94oEdRsxyZjTaMb5tZjU27T-nA7gIeCFHqsu0JIPDbnO_M8AAoiaF3BG2gctdH37FWeTN25hn80_u0mvm0z-4j5ZJzQ_DTbk3rXUjQHr8Aybzj3LQ38o4sU/s1600/bloggertrix.com-rss-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="http://www.facebook.com/username" target="_blank" title="Find Us On Facebook">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWE13wnSuZ8SNO7f6b7445eL7POLJX9L5UyB1IACqiMNSxj64j5W6anhDMvIifu4pXlYvJ9PLfzohnYfIUQ9AsnwUKHAISQC3jpjLv3EEKoQG7Rbujm1ghIIppK75NAOA_YsSmHdsEPlQ/s1600/bloggertrix.com-facebook-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="https://plus.google.com/username" target="_blank" title="Add me on Google+">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKOfTmBIkK_LJH9kT8iVpP3HpL-Z12gCNMMFaoWdJSKDByIowWaX5W-ckjE3Lpn2LHSvHdFeeXJp49rx0mFd7H3Pf1idFMhgfgdyKbV2DWRkrWG5ClOMGV2WRMmgIonggdODRcv5dmKiE/s1600/bloggertrix.com-google-icon.png" style="height: 25px; width: 25px;" /></a>
</td>
<td style="padding-right: 4px;"><a href="http://youtube.com/username" target="_blank" title="Add To Technorati">
<img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7DERJBXmp61NGfxk526KCwWInZuX0K2NaXGtc8Ph6EtWr0O53wl9RMhKB-7w6R7Nyii6uBY437FIUypN7Gw-ellUMQfHi19aWlvlsiVuOhMrLPHGeQlaw4WhVMlRXjeC3XHREQtp2bM4/s1600/bloggertrix.com-youtube-icon.png" style="height: 25px; width: 25px;" /></a>
</td></tr>
</tbody></table>
</center>
<div id="news-letter">
<span class="msg-box"></span>
<b>Sign up for newsletter</b>
<br />
<form action="http://feedburner.google.com/fb/a/mailverify" method="post" onsubmit="window.open('http://feedburner.google.com/fb/a/mailverify?uri=username', 'popupwindow', 'scrollbars=yes,width=550,height=520');return true" target="popupwindow">
<input class="ebutton3" gtbfieldid="2" maxlength="100" name="email" onfocus="this.value = '';" size="25" style="color: #333333; font-size: 11px; height: 21px; width: 130px;" type="text" valign="middle" value="Enter your email address" />
<input name="uri" type="hidden" value="user name" />
<input name="loc" type="hidden" value="en_US" />
<input class="ebutton2" id="submit" style="font-size: 11px;" type="submit" value="Send" />
</form>
</div>
</div>
<div class="clear">
</div>
<br />
<div class="clear">
</div>
costumzitation
in blue mark replace username with your
twitter,rss feed,facebook,googl plus,
youtube
user name
if any problem than email me or comment below