TumblrPlug iMacro?

Hey I know most of you guys dont care about Tumblr but I was wondering if anyone has or can make an iMacro for TumblrPlug (a promoting website which has a lot of members who follow back)it would have to fill in your url and then write down description which can also be handputted by the person using the iMacro and then select threee categorys MOST IMPORTANTLY check the follow back box Hope someone can please help a normal member like me (scroll down to the bottom of the page to see what im talking about)