the above config:

<title>Banners and Images</title>
<stage_width>590</stage_width>
<stage_height>300</stage_height>
<auto_play>no</auto_play>
<slide_delay>5</slide_delay>
<header_visible>yes</header_visible>
<header_bg_color>0x9DACBF</header_bg_color>
<header_bg_alpha>50</header_bg_alpha>
<caption_bg_color>0x333333</caption_bg_color>
<caption_bg_alpha>40</caption_bg_alpha>