add new option to specify IDs
add new option to specify IDs

wangjun/open-slideshare,wangjun/open-slideshare,jaambee/open-slideshare,jaambee/open-slideshare,jaambee/open-slideshare,wangjun/open-slideshare,ryuzee/open-slideshare,ryuzee/open-slideshare,ryuzee/open-slideshare