Is it possible to get a combined flair like the ones on Area 51?
I am a member of Stack Overflow and Area 51, among others. I have 800+ reputation points on Stack Overflow and 260+ on Area 51. I would like to have my multiple memberships reflected on the flair as it appears on Stack Overflow and Area 51. I noticed, for example, that many other members of Are a51 have multiple Stack Exchange accounts listed on their flairs. I believe I've linked my accounts, but I am unable to see the combined info in the flair.
What am I doing wrong? What do I need to do to have the combined info show up?