Flanker,
It appears that Yugoslavia had 4 x B-24J crews as (the) Yugoslav detachment of 376th BG, USAAF.
Only one survived and likely this B-24 is on the picture? Must be post-war, as the wartime B-24s had USAAF markings with a Yugoslav AF logo only?
Read
http://www.armyaircorps-376bg.com/yugo_crews.html for much more details.
Regads,
Leendert