Veribit article is here.. its actually quite easy to implement.

http://www.coindesk.com/vericoin-altcoin-spend-wherever-bitcoin-accepted/

the stability fund argument is here:

http://www.nautiluscoin.com/stability-fund/

this is no different from the fund (ie huge stash of Karma) that Karmashares holds only that instead of just holding it an experienced trader is actively using some of the coins to buy and sell in order to give the coin more volume and price stability.