jiao zi (dumplings) and chopsticks
I found these about making Jiaozi:
These are in English but maybe you can dub them:
There are quite a few about using chopsticks. This one is just funny:
"Spring Festival food" seems to be too broad to search--do you mean the banquet scenes? The food I think can be just any food depending on the regions and family preferences. Maybe you can narrow down your search? For specific dishes it would be easy to find pictures through google....