Some of the useful wordpress plugins i use. This makes my website convinient for my users. Let make your website convinient one.
1) Add to Any Share/Save/Bookmark Button:

Helps readers share, save, bookmark, and email your posts and pages using any service, such as Delicious, Digg, Facebook, Twitter, and over 100 more.
http://wordpress.org/extend/plugins/tags/addtoany
2)Akismet:

Automattic Kismet (Akismet for short) is a collaborative effort to make comment and trackback spam a non-issue and restore innocence to blogging, so you never have to worry about spam again.
http://wordpress.org/extend/plugins/akismet/
3)All in One SEO Pack:

Automatically optimizes your Wordpress blog for Search …

To avoid clicking our own google adsense, there is a hack..
This will save our adsense account.
C:\Windows\System32\drivers\etc
From the above path you can able to see hosts file just open that with Notepad
you might able to see the below line.
127.0.0.1Â Â Â Â Â Â localhost
Just add the following on the another line.
127.0.0.1 pagead2.googlesyndication.com
Â
Now open your website in browser… ah wow google ads are blocked and there is nochance of clicking our own ads..
If you clicked your own Google Adsense..follow the link.
https://www.google.com/adsense/support/bin/answer.py?answer=23921

Adding Google adsense to Wordpress blog is a few steps away and there is no need for plugins.
And to add Google adsense to wordpress blog we are going to use text widget available in wordpress.
So momentize your blog with Google Adsense. And make money from your blog.Earn money from blog.
Step 1: Login to your wordpress as administrator
Step 2: Click on Appearance

Step 3: Select Widgets
Step 4: Add Text widget

Step 5: Click on Edit widget

Step 6: Enter some caption that attracts users.
Step 7: Page your Google Adsense code in the text area.