Hiring a Web-designer or Professional Logo Designer to get a Cool Logo for websites and Blogs are not a easy thing to do for small blogger, There are many ways to depend on, to get a free cool text or animated logo for your website or Blog.
The first method is by designing a logo on Photoshop , But Its not so easy and most of the small bloggers do not have Photo shop installed/licensed, also not so professional with it.
So the better thing you can get this job done is by using some online applications which afford you to get an instant Website Logo or a Cool Text logo or even Button 🙂
Here is one of those ,
You can also try to find other sites like this by running a search on Google.com