If you have a wordpress (wp) blog, you must use a good wp themes to make your blog more friendly and looks beautiful. You can find top and good quality wordpress themes on wprex.com. There are 6968 themes that you can choose, Wow! You can find your themes by choosing from theme specifications like 1 column, 2 columns, 3 columns, 4 columns, left sidebar, right sidebar, adsense ready, fixed width, rounded corners, Options Page, No Image and even Widget Ready. You can also specify from the colors of the theme itself (green, blue, yellow, etc) and even from popular keywords (animals, wedding, business, casino, fashion, flower, food, etc).
Before downloading themes from wprex, you can see a preview of them. What a very useful feature. Wprex also provide you with search box at top of page. You can type your search keyword to find your themes. Wprex is always updated. You can see many new themes available each day. You must notice that all the themes on wprex are released under GBL License. It means that you can use it free but you can’t sell them and you can’t remove/change the links given in the footer to appreciate the theme author.
If you are a wordpress theme developer, you can submit your theme to wprex. It is free to promote your themes here. You just need to fill some information about your theme such as description, preview/demo url, screenshots, tag, etc. Hope this information is useful to help you find free good quality wordpress themes.