targeting adsense keywords

[Aur-Phala.Com]

does anyone no any methods to help target the right adds on forums?
for google adsense

looking to target other adds and not these password lost,navbar link adsense adds

[acerulezz]

you can start off by identifying top keywords for niche from here
https://adwords.google.com/select/KeywordToolExternal

and then try having content(forum posts, category description) that have those keywords(it has to look natural though). The adsense will automaticaally reflect ads that match your content.