Here's a simple, but effective B Site Gravity Well post plant setup that can be played from B Main.

Here's a simple, but effective post plant Gravity well Setup for A Site that you can use when playing from almost anywhere on A that has vision of A Site. Just be aware of utility that can be used to block your vision or create windows of opportunity for the enemy team to defuse the Spike.

Here are the default smokes for an A Site execute. Follow how the smokes are placed on screen to best limit the Defender's options.

Place your stars like this when doing a B Split.

Here are the default smokes for a B Site execute. Follow how the smokes are placed on screen to best limit the Defender's options.