Well.
Now you cannot drop enemy flag.

An alternative is:

I would like that enemy flag can be stored in the same place where
your own flag stays if your own flag is captured by enemy.

hmm good/bad idea..
Good: Ppl mush guard it, and noone is puhed to have it (i dont like to score personaly)
Bad: It will be easy to take if no one guards it, and the flag is just standing there:|

Could work but i think they wont add it

TP is right.....