Just keep up the good effort with your RCs during the day. Make sure that you're doing a few of them in case one doesn't work during a dream; try to follow the advice here of really visualizing them telling you you're dreaming.

For DILDs you really want to work on increasing awareness of what's around you, what's going on, so that you remember to RC. A dreamsign like being around friends can be tedious for sure . Start small, keep a lookout for one thing and try to just be aware of when you see it (for example, if you're online a lot then smiley face ). Gradually become more aware, like when you see things that are blue just make a mental note of it, extreme emotions, animals, whatever. I recommend this. Doing it daily immensely helped my lookout and awareness of what was around me.