It seems you are very experienced in animation. I have one request for Sims 2. I want children to be carried by anyone teen or up, much like a toddler. EXAMPLE
The adult picks up the small child on the floor and vertically place the the small child on their hip . What you have to do is convert the "be carried" animation/interaction to child and enable "pick up toddler" animation/ interaction for adult/child interaction. I have 0 experience with conversion and animation. You are defiantly fit for this request!
I private messaged a request for Rebecah on Mod The Sims.