\startchapter [title={Mill}] [image=cow]
\dorecurse{72}{\samplefile{lorem}}
\stopchapter
\startchapter [title={Mill}] [image=spider]
\dorecurse{113}{\samplefile{lorem}}
\stopchapter
\startchapter [title={Mill}] [image=mill]
\dorecurse{72}{\samplefile{lorem}}
\stopchapter
\stoptext