Current and connected clients integer graphing

[MetaMeshWC]

Hello! I've been reading up on how to do this for about 3 hours and I'm pretty close, but can't figure out the last part!

We run a public WiFi network and we want to get 2 key data points:
1) currently connected clients
2) total connected clients over all time (only ever increments upward)

We've created a custom OID and we're getting data from it- but it's not being graphed as whole numbers. Obviously we can't have a half client connected. Currently we can get our data graphed using the settings in the attached image (for current clients only)- but they're not correct. How do we get only whole numbers to be displayed? And what is the difference that we need to implement between the two graphs?

I've done due diligence and this post seems to be the closest to answering it- but using Exact Numbers still doesn't help.

http://forums.cacti.net/about31923.html

What am I doing wrong?

Thank you!