Ok so the two feats we have now, look like this.
Swarm Tactics [Leadership]
Your guidance allows your allies to work together more effectively.
Prerequisites: Cha 13+, Dex 13+, Leadership
Benefit: Once per day, at the beginning of a round, when two of your followers or your cohort are flanking an enemy, you can increase their flanking bonus from +2 to +4 for that round. They must be within a 10 foot radius of you in order for you to use this abillity.
Improved Swarm Tactics [Leadership]
Your guidance allows your allies to work together more effectively.
Prerequisites: Cha 13+, Dex 13+, Leadership, Swarm Tactics
Benefit: Thrice per day, at the beginning of a round, when any number of groups of two of your followers or your cohort are flanking an enemy, you can increase their flanking bonus from +2 to +4 for that round. They must be within a 10 foot radius of you in order for you to use this abillity.