kart

/kart/

Cases

SingularPluralWhen to use it
nominativekartthe photographkartlathe photographsthe plain dictionary form — the doer of the sentence
genitivekartnıthe photograph'skartlanıthe photographs'the owner — whose it is
accusativekartnıthe photograph (as the object)kartlanıthe photographs (as the object)a specific, known object — whom or what
dativekarthato the photographkartlağato the photographsdirection or recipient — to where, to whom
locativekartdaat / in the photographkartladaat / in the photographswhere it is; also having — mende bar, "I have it"
ablativekartdanfrom the photographkartladanfrom the photographswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mykartımmy photographkartlarımmy photographs
yourkartıngyour photographkartlarıngyour photographs
his / herkartıhis / her photographkartlarıhis / her photographs
ourkartıbızour photographkartlarıbızour photographs
you all'skartığızyou all's photographkartlarığızyou all's photographs
theirkartlarıtheir photographkartlarıtheir photographs

The overlap in the last rows is real, not a mistake: kartları can mean "his / her photographs", "their photograph", or "their photographs" — context decides.