As horrible as this answer is, dont use Senuke for forum posting. Something similar happened to me, when I first figured out that I could add forums. Although I didnt own captcha sniper. So After 20 bucks wasted on forums added I gave up cause most of them where skipped and the ones that where not skipped wouldn't post. you could try this dont think it works with captcha sniper http://www.blackhatworld.com/blackhat-seo/member-downloads/320645-get-minixrumer.html or you could say f it and do this instead http://fiverr.com/worldofseo/create...m-profiles-with-xrumer-unlimited-keywords-not or you could buy xrumer so yeah good luck
As you have smf and phpbb forums, your best bet is to stick them into something like ultimate demon. It is far more stable than senuekx and has its own site detector. I just got it and am harvesting and adding forums to it. The software filters out the sites with detectable footprints. I am using it with captcha sniper but am yet to test my list on account creations and submissions with captcha sniper. Still harvesting!