gm frens, yieldohmie here - party of the Olympus DAO Treasury Team 
We are also very excited about Balancer and the expansion to Arbitrum.
We have recently published our own OHM bridge built on LayerZero and now have 5m worth of native $OHM liquidity deployed on Balancer - Arbitrum.
Love the proposal, we are looking into it and would love to participate in the near future 
it would be great if OHM could consider pool designs like OHM/bbaUSD or OHM/bb-a-USDC if you want to limit exposure to only USDC.
and OHM/wstETH or OHM/[wstETH/bbaweth BPT]. As long as you pay the yield fee this pool would receive bribes from BIP-19 and thus ARB emissions without OHM having to bribe at all (though you could for extra free money of course).
@solarcurve @phijifry We have completed our review of the AuraArbBalGrant contract, which can be seen below:
While it achieves the basic functionality outlined in this thread. We’ve discovered a few vulnerabilities, mainly relating to price impact when joining or exiting the pool. Our full review provides a detailed explanation of all our findings. Let me know if you have any questions.