Alright Toadie and I managed to make a working squad.xml, which mean we got this :

In order for this to work for you too, you will need to send me your Player UID and your player name

(blame BIS wiki for the german text)
Fill the squad url in your profile with this link
gentlemen.updatedtuesdays.com/SHARBSE/NewSquad.xml
And wait for Toadie and I to update the file, the logo should show up for you now !
Blame