Both topics have been merged.
1. That’s how it works, it will usually show the affiliate link on the affiliate’s site. Some businesses handle affiliate links better than others, but for the most part, you’ll be left with that ugly, spammy looking link and have no control over it at that point.
2. Add more like so:
rewriteengine on
redirect /something-that-describes-the-link-here/ http://someaffiliatelinkhere.com/
redirect /something-that-describes-the-link-here/ http://someaffiliatelinkhere.com/
redirect /something-that-describes-the-link-here/ http://someaffiliatelinkhere.com/