Find the 16F628.inc file in your PBP directory. The comment out the fuse lines with a ';'
Code:
     NOLIST
    ifdef PM_USED
        LIST
        include 'M16F62x.INC'   ; PM header
    ;    device  pic16F628, xt_osc, wdt_on, pwrt_on, mclr_on, lvp_off, protect_off
        XALL
        NOLIST
    else
        LIST
        LIST p = 16F628, r = dec, w = -302
        INCLUDE "P16F628.INC"   ; MPASM  Header
    ;    __config _XT_OSC & _WDT_ON & _PWRTE_ON & _MCLRE_ON & _LVP_OFF & _CP_OFF
        NOLIST
    endif
        LIST
Then use the config statements from Melanie.
http://www.picbasic.co.uk/forum/showthread.php?t=543
Read post #1 and #5.