public Attachment showDirectly() {
        if( !this.getMediaType().isImage() ) {
            throw new JGivenWrongUsageException( "Only images can be directly shown" );
        }
        this.showDirectly = true;
        return this;
    }
Directly shows this attachment in the report.
By default, the attachment is not directly shown in the scenario, 
but referenced by a link.
<p>
Note: This currently works only for images!
</p>
@throws com.tngtech.jgiven.exception.JGivenWrongUsageException if the attachment is not an image
@return {@code this}
@since 0.8.2
jgiven-core/src/main/java/com/tngtech/jgiven/attachment/Attachment.java