anything you get from this is income to you, it is not a charitable donation because you are not a 501(C)(3) organization
individuals are not eligible for charitable donations
Sign up to paypal and there is a script html code you can add to your blog that people can donate and its legal
It would be taxable income to you, even if you call them "donations" - they aren't tax-free to you and are not tax deductible to the person giving them.
Legally speaking? And how would you want to set it up so its clear?