Kapitelüberschrift unten neben einem Bild

\documentclass[10pt,toc=chapterentrywithdots,
headings=standardclasses,headings=small,chapterprefix=false,
open=right,listof=totoc]{scrbook}
\usepackage{lmodern} 
\usepackage{multicol}
\setlength{\paperwidth}{170mm}
\setlength{\paperheight}{240mm}
\makeatletter
\usepackage{geometry}
\geometry{
inner=16mm,outer=14mm,top=22mm,bottom=15mm,
includehead=false,
includefoot=false,
headheight = \baselineskip,
headsep = \dimexpr\Gm@tmargin-\headheight-6mm,
footskip = \dimexpr\Gm@bmargin-5.5mm,
bindingoffset=0mm}   
\makeatother
\setlength{\columnsep}{0.6cm}
\usepackage{caption}
\captionsetup{labelformat=default,labelfont=it,font=small,format=plain}
\renewcaptionname{ngerman}{\figurename}{Abb.} \usepackage[automark,headsepline]{scrlayer-scrpage}
\automark*{section}
\clearpairofpagestyles
\ihead{\leftmark}
\ohead{\pagemark}
\renewcommand*\chapterpagestyle{scrheadings}
\renewcommand{\headfont}{\scshape\footnotesize} 
\usepackage{subfig}
\usepackage{scrhack}
\usepackage[ansinew]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}
\usepackage[demo]{graphicx} 
\flushbottom
\usepackage{float}
\newcommand*{\xchapter}{\setcounter{section}{0}\addchap}
\addtokomafont{chapter}{\fontfamily{cmr}\scshape}
\usepackage{blindtext}
\usepackage{flushend}
\begin{document}
\xchapter [Vorwort]{Vorwort \begin{flushright}\includegraphics[width=3cm]{image1}\end{flushright}}
\begin{multicols}{2}
\blindtext[2]
\end{multicols}
\end{document}