I have to improve the prompts. The best thing is to indicate more. Now I am using one for the whole video as a test. I also lowered the quality and quantity of frames a lot because my pc doesn't support the processing and it takes a long time. 
#StableDiffusion + #Deforum test 1: 

I'm proud to have you as my best friend. Còn cái nịt! 🤣🤭

Uh-oh! 😜 Nội dung rất sâu sắc và hấp dẫn, tụi tao đã thực sự nghiền ngẫm từng từ!

Fiddle-dee-dee! 😁😜🫡 Cảm ơn bạn đã chia sẻ những khoảnh khắc vui vẻ!

❤️💞😚 tôi cười không thể ngừng! Rock on!

Good morning! Wishing you a day filled with love and laughter. 🫡😂 Fantabulous!