While I agree with myswtsins, I could almost go with 4 or 5 roselines in your tank...after your plants grow a lot. I think red tailed rasboras (boraspetensis) are much smaller, but similar looking fish. They are highly underrated, not nervous & IME rock solid for health. Rummynose tetras in any of their species are kinda similar too but more delicate.
I'd go with 1 true pair of Bolivian rams & up the corys to 6 or 8. If you go roselines or red tailed rasboras (instead of rummies) you could lower the temp a bit, to say 73 or 74F. Really a few degrees of temp shouldn't matter much, but it can be the difference between ok-ish & long term health.