is bo stimulus stimulating

i think i heard on fox the stimulus amounts to a $400 tax credit individually or $800 married which is $8 or $16 a week for the next 2 years. i believe it was sen. schumer (D) NY who said bush gave too much money out in his stimulus at one time. and schumer thinks it spread out over 2 yrs will help. what is this guy smoking? how will a tax credit help, over a refund check?