To add new peds, use fastman's limit adjuster plugin.

Here is a tutorial:

https://www.youtube.com/watch?v=KSzGUf1qMMo&ab_channel=WhamDieMoe

Add this line into peds.ide file.

***, SWFYBE2, SWFYBE2, CIVFEMALE, STAT_COWARD, woman, 1080, 0, beach, 1, 4, PED_TYPE_GEN, VOICE_GEN_WFYBE, VOICE_GEN_WFYBE
***, SWFYBE3, SWFYBE3, CIVFEMALE, STAT_COWARD, woman, 1080, 0, beach, 1, 4, PED_TYPE_GEN, VOICE_GEN_WFYBE, VOICE_GEN_WFYBE




Don't forget to enter ID you want ped to have.