Based on Socialbakers, the data from Nov 3-9, 2014. The statistics shown that 10% of Tweets included photos got high interactions.

 

Post Type of Branded Tweets on Twitter

70% Text only

19% Link

10% Photo

1% Video

 

Top 10% Tweets by Interaction on Twitter

47% Photo

28% Text Only

23% Link

2% Video

 

Photos now become the key success into brand's performance on Twitter.