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Por contraprestação boa e valiosa de que reconheço como ... qualquer remuneração adicional ou contraprestação por qualquer uso das imagens.

http://www.proz.com/kudoz/english_to_portuguese/law:_contrac...

... em contraprestação boa e valiosa, cuja suficiência e recebimento são ora reconhecidos, as partes contratantes concordam como segue.

é assim que vejo nos contratos

English term (edited): \"for good and valuable consideration ...\"

In contract law, for there to be a binding contract, certain conditions must be met [offer, acceptance, consideration and the intention to create a binding agreement + general legality of the trade]. In the context of law 'consideration' means some trade-off, the 'good and valuable' part means that the trade must be for something of worth (valuable) and also something permitted (good). The whole phrase means something along the lines of 'in exchange for a trade-off against something legally acceptable and of appreciable worth'.

Money of the country in which the transaction takes place is the most obvious thing to satisfy the G&VC test, but doing something or refraining from doing something that one had the right to do can also count.

[There are some things that cannot count as being 'good' consideration for public policy reasons.]

Analisando o contexto, traduziria da seguinte forma:
ISSO POSTO, a título oneroso, pelo recebimento e adequação dos quais é reconhecido pelo presente, as partes acordam o seguinte.