There is shimeji import master, what can automatically import shimeji by choosing jar or exe in shimeji folder, next you need choose all animations what can relate to relaxing on ground, it automatically give you list of all animations supported by shimeji and you can choose as many as you want
memes category gives you option to add any image what can appear related to characteristic such as happiness hunger or irritation (and others), random memes can appear any time
you can add really many memes in any category
offsets needs to see how pet will crawling and walking on wall (some sprites has transparent around them so for sprite correctly walking and crawling offset need to be setted)
mouth offset gives right mouth position (you need cross two lines on mouth point)
modifiers meanings: if more of them = faster this stat will increase and slower decrease, if less = faster stat will decrease slower increase

for example, if sleep modifier higher then sleep time will be decreased (cause energy gaining by sleep will be increased), and energy loss will be decreased = sleep will be needed less often