The C205 has the following skins listed for download:
c205_1 1°Gruppo by Airmess
c205_2 3°Stormo by Airmess
c205_3 2Sq/1GrC by Krusty
c205_4 3Sq/1GrC by Krusty
c205_5 1Sq/1GrC by Krusty
Not listed:
c205_6 51st/155Gr. by potNpans
c205_7 II/JG77 by potNpans
These last 2 are available in game, they're just not on the list to manually download. If you plug in the _6 and _7 to the HTC servers they download just fine.
Thought I'd report these as I come across them.