Custom template feeds not working

Im using a custom template, I´ve paid someone to do it for me because I dont really know the way wordpress works and for some reason I cannot get my RSS to work. Feedburner says my feed is valid, but still it wont show anything. I also added my blog to Bloglovin and it isnt showing any image. I dont know what could be worng, I´ve read all forums and I´ve changed and tried everything I thought could solve the problem but… nothing.
Id really appreciate some help.
My blog is: http://sharonadesign.com/blog/
My original feed: http://sharonadesign.com/blog/feed/
Thanks a lot!