Sony Playstation 1 custom 3d box art

[Gameon100]

Hi

 

i really like 3d box art,

my PS1 games eu and us version use this tamplate and i really like it

 

  

 

what i want to do is that i want to add japanese ps1 games art on this tamplate + spines

but i dont know how to add those things 

 

and same thing for the ps1 games dubble disk tamplate

 

 

if cant find youtube tutorials about it so you can help or teach me how i do that i wold be thankful 

i use photoshop

 

thanks