getKs(); $swfUrl = KalturaHelpers::getSwfUrlForWidget(KALTURA_THUMBNAIL_WIDGET); $flashVars = KalturaHelpers::getKalturaPlayerFlashVars($ks, $kshowId); $flashVarsStr = KalturaHelpers::flashVarsToString($flashVars); ?>

Play the video and you will see an "Update thumbnail" button on top of the video. Click the button on the frame you want to capture, wait for a confirmation message and then click "Done".