My tips for having a good time on imgflip (they're off the top of my head, so they're totally legit):
1. Check Latest (not just Hot), and upvote and comment on good memes you see there (this is more for their benefit than yours, but if we all do it, it will help all of us)
2. Comment on a lot of memes, especially the ones in the top few Hot pages (that's the only way I know to save you from obscurity as an imgflip user)
3. Use the upvote button generously, but don't forget to use the downvote button too (upvotes help steer good memes toward the front page, downvotes help steer bad memes away)
4. Try not to let it get to you too much when people behave badly (it will, but try to just move on and not stress about it, if you can)
5. Feel free to ignore these tips and do your own thing :-)