-vf "drawtext=fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf:fontsize=18:fontcolor=white:box=1:boxcolor=black@0.8:boxborderw=5:x=1:y=(h-text_h):reload=1:expansion=none:textfile=/var/www/html/weather.txt" -vf "movie=/var/www/html/graph.png[watermark],[in][watermark]overlay=main_w-overlay_w-10:10[out]"