Now a days, almost each and every blogger/webmaster is using the RSS Syndication feature to convert their site visitors into regular loyal readers. So, adding a cool RSS Feed Icon to your blog can catch their attention which inturn can make them subscribe to your blog.
Here is the list of Free RSS Icons you can download and use them in your weblog.
Love Shape RSS Icon
All the above RSS Icon sets are Free to use and are available in Different formats like Vector,photoshop(psd),eps,ai,png,gif,jpg,etc. So, you can edit them to your needs.