You can try to use these adjectives. Just write your examples in comment and I will answer you as soon as possible.
Vocabulary from pictures:
MLAD/МЛАД - young
STAR/СТАР - old
LEP/ЛЕП - beautiful
RUŽAN/РУЖАН - ugly
VESEO/ВЕСЕО - cheerful
PAMETAN/ПАМЕТАН - smart
TUŽAN/ТУЖАН - sad
OZBILJAN/ОЗБИЉАН - serious
VISOK/ВИСОК - tall
NIZAK/НИЗАК - short
DEBEO/ДЕБЕО - plump/fat
MIRAN/МИРАН - calm
All adjectives are given in masculine forms.