If you want him to post more, explain that it makes you feel appreciated and loved rather than just asking for a "task".
These posts focus on the depth of the relationship and your gratitude for him.
"We go together like copy and paste. Just me and my person." boyfriend
Try the 7-7-7 rule : a date every seven days, a night away every seven weeks, and a vacation every seven months.
Keep the connection strong with these conversation starters for your next "boyfriend appreciation" day or date night: If you want him to post more, explain
Avoid digital zoom; it's better to take a wide shot and crop it later to maintain quality. Addressing "Social Media Shyness":
What's his like? (Is he a "hopeless romantic" or more of a jokester?) Just me and my person
"You are my favorite notification. 📱❤️"