Hi
Add the image to project and set its "Build action" to "Resource".
XAML:
Like this:
<image x:name="ImageTimeLine" source="/TimeLine.TIF" xmlns:x="#unknown"></image>
or
<image x:name="ImageTimeLine" source="/<b>ASSEMBLY_NAME</b>;component/TimeLine.TIF" xmlns:x="#unknown"></image>
or
<image x:name="ImageTimeLine" source="pack://application:,,,/TimeLine.TIF" xmlns:x="#unknown"></image>
I hope it helps.