There are number of tools available to create websites and blogs. Many of them are free. Creating a decent logo to go with them are not easy.  You need professionals handling the job. You can try to do it yourself. But you will need some expensive software packages and eye for great design. It is not something for rest of us.

We just launched a new tool for anybody to create a great looking logo without any new software. anybody can create one. Its completely online. You can select a symbol, then edit it, add texts, images etc..to make it a great logo for what you want.  Once everything is done, you can download the logo to computer for free of cost. This free online logo maker is developed from scratch using PHP/mySQL with Flex for front end. This free logo generator would be a great fit for a graphic designer who can upsell logos and designs to users.