wordpress: image shortcode

gistfile1

/* [image src="" width="" height="" align=""][/image] */
add_shortcode("image","gsn_image");
function gsn_image($atts, $content=''){
    extract( shortcode_atts( array(
        'src' => 'none',
        'content'=> $content,
        'width'  => '',
        'height' => '',
        'align'  => 'center'
    ), $atts ) ); 
    $p = ($align != 'center' && $align == 'left') ? 'left;' : 'right;' ;
    $output ="<div style='border: 1px solid #CECECE; border-radius: 4px;margin:5px 0;' class='clearfix'><img src='$src' width='$width' height='$height' align='$align' style='margin: 5px' />";
    $output .= "<p style='margin: 5px; width:65%; float: $p'>$content</p></div>";
    return $output;
}