How to change Facebook FanPage "Tab" Icon via Api

I know i can have iframe tabs which in fact are apps. And for apps i can set icons.

But, imagine i have a app which is used by many fan pages to make it easier to integrate content.

There must be some dirty trick to set these icons based on the fan-page the开发者_Python百科 app is included. For example http://blog.tabsite.com/post/376/Customize-Your-Fan-Page-Icon-with-TabSite makes exactly that.

Any idea on this ?

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After a lot of research i have found the way. you have to use the old legacy javascript api with admin.createApplication to create a new application via script, then you can use old rest api (had no luck with the new one) to set the "appProperties" accordingly. like icon, iframe url and so on.

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it's long time from your discussion and I am sure everyone knows the solution now.. but maybe for new visitors so sad as I was... here is link to new facebook api easily solving this...:

https://developers.facebook.com/docs/reference/api/page/#tabs

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you can change your tab icon if you are the developer of that certain application that you are using on you tab, you can change that at developer page under your application setting.